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Finding the Fourth Proportional to 555,689.53, 833,657.31 and 176,726.17

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Solution

The fourth proportional to 555,689.53, 833,657.31 and 176,726.17 is: 265,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,689.53 : 833,657.31 = 176,726.17 : x
  2. Step 2: Convert to fraction form
    555,689.53/833,657.31 = 176,726.17/x
  3. Step 3: Cross multiply
    555,689.53x = 833,657.31 × 176,726.17
  4. Step 4: Simplify right side
    555,689.53x = 147,329,063,488.80
  5. Step 5: Solve for x
    x = 147,329,063,488.80/555,689.53
  6. Step 6: Final answer
    x = 265,128.38

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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.