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Finding the Fourth Proportional to 539,614.32, 744,629.58 and 297,858.12

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Solution

The fourth proportional to 539,614.32, 744,629.58 and 297,858.12 is: 411,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,614.32 : 744,629.58 = 297,858.12 : x
  2. Step 2: Convert to fraction form
    539,614.32/744,629.58 = 297,858.12/x
  3. Step 3: Cross multiply
    539,614.32x = 744,629.58 × 297,858.12
  4. Step 4: Simplify right side
    539,614.32x = 221,793,966,795.19
  5. Step 5: Solve for x
    x = 221,793,966,795.19/539,614.32
  6. Step 6: Final answer
    x = 411,023.13

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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.