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Finding the Fourth Proportional to 518,796.97, 773,038.06 and 462,202.17

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Solution

The fourth proportional to 518,796.97, 773,038.06 and 462,202.17 is: 688,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,796.97 : 773,038.06 = 462,202.17 : x
  2. Step 2: Convert to fraction form
    518,796.97/773,038.06 = 462,202.17/x
  3. Step 3: Cross multiply
    518,796.97x = 773,038.06 × 462,202.17
  4. Step 4: Simplify right side
    518,796.97x = 357,299,868,824.59
  5. Step 5: Solve for x
    x = 357,299,868,824.59/518,796.97
  6. Step 6: Final answer
    x = 688,708.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.