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Finding the Fourth Proportional to 663,510.49, 914,678.73 and 527,599.37

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Solution

The fourth proportional to 663,510.49, 914,678.73 and 527,599.37 is: 727,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,510.49 : 914,678.73 = 527,599.37 : x
  2. Step 2: Convert to fraction form
    663,510.49/914,678.73 = 527,599.37/x
  3. Step 3: Cross multiply
    663,510.49x = 914,678.73 × 527,599.37
  4. Step 4: Simplify right side
    663,510.49x = 482,583,923,987.10
  5. Step 5: Solve for x
    x = 482,583,923,987.10/663,510.49
  6. Step 6: Final answer
    x = 727,319.21

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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.