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Finding the Fourth Proportional to 543,876.96, 750,545.28 and 302,160

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Solution

The fourth proportional to 543,876.96, 750,545.28 and 302,160 is: 416,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,876.96 : 750,545.28 = 302,160 : x
  2. Step 2: Convert to fraction form
    543,876.96/750,545.28 = 302,160/x
  3. Step 3: Cross multiply
    543,876.96x = 750,545.28 × 302,160
  4. Step 4: Simplify right side
    543,876.96x = 226,784,761,804.80
  5. Step 5: Solve for x
    x = 226,784,761,804.80/543,876.96
  6. Step 6: Final answer
    x = 416,978.06

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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.