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Finding the Fourth Proportional to 518,188.17, 777,282.25 and 484,973.10

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Solution

The fourth proportional to 518,188.17, 777,282.25 and 484,973.10 is: 727,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,188.17 : 777,282.25 = 484,973.10 : x
  2. Step 2: Convert to fraction form
    518,188.17/777,282.25 = 484,973.10/x
  3. Step 3: Cross multiply
    518,188.17x = 777,282.25 × 484,973.10
  4. Step 4: Simplify right side
    518,188.17x = 376,960,982,357.48
  5. Step 5: Solve for x
    x = 376,960,982,357.48/518,188.17
  6. Step 6: Final answer
    x = 727,459.65

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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.