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Finding the Fourth Proportional to 424,583.46, 636,952.95 and 175,129.38

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Solution

The fourth proportional to 424,583.46, 636,952.95 and 175,129.38 is: 262,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,583.46 : 636,952.95 = 175,129.38 : x
  2. Step 2: Convert to fraction form
    424,583.46/636,952.95 = 175,129.38/x
  3. Step 3: Cross multiply
    424,583.46x = 636,952.95 × 175,129.38
  4. Step 4: Simplify right side
    424,583.46x = 111,549,175,222.67
  5. Step 5: Solve for x
    x = 111,549,175,222.67/424,583.46
  6. Step 6: Final answer
    x = 262,726.14

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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.