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Finding the Fourth Proportional to 371,044.38, 556,657.15 and 118,324.87

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Solution

The fourth proportional to 371,044.38, 556,657.15 and 118,324.87 is: 177,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,044.38 : 556,657.15 = 118,324.87 : x
  2. Step 2: Convert to fraction form
    371,044.38/556,657.15 = 118,324.87/x
  3. Step 3: Cross multiply
    371,044.38x = 556,657.15 × 118,324.87
  4. Step 4: Simplify right side
    371,044.38x = 65,866,384,908.32
  5. Step 5: Solve for x
    x = 65,866,384,908.32/371,044.38
  6. Step 6: Final answer
    x = 177,516.19

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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.