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Finding the Fourth Proportional to 662,046.52, 913,641.96 and 375,609.64

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Solution

The fourth proportional to 662,046.52, 913,641.96 and 375,609.64 is: 518,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,046.52 : 913,641.96 = 375,609.64 : x
  2. Step 2: Convert to fraction form
    662,046.52/913,641.96 = 375,609.64/x
  3. Step 3: Cross multiply
    662,046.52x = 913,641.96 × 375,609.64
  4. Step 4: Simplify right side
    662,046.52x = 343,172,727,684.49
  5. Step 5: Solve for x
    x = 343,172,727,684.49/662,046.52
  6. Step 6: Final answer
    x = 518,351.38

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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.