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Finding the Fourth Proportional to 529,224.24, 730,330.32 and 287,507.01

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Solution

The fourth proportional to 529,224.24, 730,330.32 and 287,507.01 is: 396,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,224.24 : 730,330.32 = 287,507.01 : x
  2. Step 2: Convert to fraction form
    529,224.24/730,330.32 = 287,507.01/x
  3. Step 3: Cross multiply
    529,224.24x = 730,330.32 × 287,507.01
  4. Step 4: Simplify right side
    529,224.24x = 209,975,090,432.43
  5. Step 5: Solve for x
    x = 209,975,090,432.43/529,224.24
  6. Step 6: Final answer
    x = 396,760.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.