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Finding the Fourth Proportional to 317,591.30, 476,024.52 and 127,930.16

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Solution

The fourth proportional to 317,591.30, 476,024.52 and 127,930.16 is: 191,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,591.30 : 476,024.52 = 127,930.16 : x
  2. Step 2: Convert to fraction form
    317,591.30/476,024.52 = 127,930.16/x
  3. Step 3: Cross multiply
    317,591.30x = 476,024.52 × 127,930.16
  4. Step 4: Simplify right side
    317,591.30x = 60,897,893,007.52
  5. Step 5: Solve for x
    x = 60,897,893,007.52/317,591.30
  6. Step 6: Final answer
    x = 191,749.25

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1.5x scale

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.