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Finding the Fourth Proportional to 539,254.17, 744,440.39 and 335,370.78

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Solution

The fourth proportional to 539,254.17, 744,440.39 and 335,370.78 is: 462,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,254.17 : 744,440.39 = 335,370.78 : x
  2. Step 2: Convert to fraction form
    539,254.17/744,440.39 = 335,370.78/x
  3. Step 3: Cross multiply
    539,254.17x = 744,440.39 × 335,370.78
  4. Step 4: Simplify right side
    539,254.17x = 249,663,552,580.95
  5. Step 5: Solve for x
    x = 249,663,552,580.95/539,254.17
  6. Step 6: Final answer
    x = 462,979.36

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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.