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Finding the Fourth Proportional to 662,516.26, 914,294.94 and 372,179.10

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Solution

The fourth proportional to 662,516.26, 914,294.94 and 372,179.10 is: 513,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,516.26 : 914,294.94 = 372,179.10 : x
  2. Step 2: Convert to fraction form
    662,516.26/914,294.94 = 372,179.10/x
  3. Step 3: Cross multiply
    662,516.26x = 914,294.94 × 372,179.10
  4. Step 4: Simplify right side
    662,516.26x = 340,281,472,030.20
  5. Step 5: Solve for x
    x = 340,281,472,030.20/662,516.26
  6. Step 6: Final answer
    x = 513,619.80

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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.