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Finding the Fourth Proportional to 552,003.30, 828,004.95 and 342,051.30

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Solution

The fourth proportional to 552,003.30, 828,004.95 and 342,051.30 is: 513,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,003.30 : 828,004.95 = 342,051.30 : x
  2. Step 2: Convert to fraction form
    552,003.30/828,004.95 = 342,051.30/x
  3. Step 3: Cross multiply
    552,003.30x = 828,004.95 × 342,051.30
  4. Step 4: Simplify right side
    552,003.30x = 283,220,169,553.94
  5. Step 5: Solve for x
    x = 283,220,169,553.94/552,003.30
  6. Step 6: Final answer
    x = 513,076.95

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Double scale
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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.