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Finding the Fourth Proportional to 314,728.92, 472,504.90 and 186,878.52

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Solution

The fourth proportional to 314,728.92, 472,504.90 and 186,878.52 is: 280,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,728.92 : 472,504.90 = 186,878.52 : x
  2. Step 2: Convert to fraction form
    314,728.92/472,504.90 = 186,878.52/x
  3. Step 3: Cross multiply
    314,728.92x = 472,504.90 × 186,878.52
  4. Step 4: Simplify right side
    314,728.92x = 88,301,016,404.75
  5. Step 5: Solve for x
    x = 88,301,016,404.75/314,728.92
  6. Step 6: Final answer
    x = 280,562.13

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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.