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Finding the Fourth Proportional to 552,562.20, 828,843.30 and 286,404.30

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Solution

The fourth proportional to 552,562.20, 828,843.30 and 286,404.30 is: 429,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,562.20 : 828,843.30 = 286,404.30 : x
  2. Step 2: Convert to fraction form
    552,562.20/828,843.30 = 286,404.30/x
  3. Step 3: Cross multiply
    552,562.20x = 828,843.30 × 286,404.30
  4. Step 4: Simplify right side
    552,562.20x = 237,384,285,146.19
  5. Step 5: Solve for x
    x = 237,384,285,146.19/552,562.20
  6. Step 6: Final answer
    x = 429,606.45

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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.