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Finding the Fourth Proportional to 552,632.30, 828,948.45 and 412,664.30

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Solution

The fourth proportional to 552,632.30, 828,948.45 and 412,664.30 is: 618,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,632.30 : 828,948.45 = 412,664.30 : x
  2. Step 2: Convert to fraction form
    552,632.30/828,948.45 = 412,664.30/x
  3. Step 3: Cross multiply
    552,632.30x = 828,948.45 × 412,664.30
  4. Step 4: Simplify right side
    552,632.30x = 342,077,431,855.34
  5. Step 5: Solve for x
    x = 342,077,431,855.34/552,632.30
  6. Step 6: Final answer
    x = 618,996.45

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Half scale
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Double scale
Find fourth proportional to 552,633.30, 828,949.95 and 412,665.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.