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Finding the Fourth Proportional to 329,607, 494,117.28 and 119,198.16

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Solution

The fourth proportional to 329,607, 494,117.28 and 119,198.16 is: 178,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,607 : 494,117.28 = 119,198.16 : x
  2. Step 2: Convert to fraction form
    329,607/494,117.28 = 119,198.16/x
  3. Step 3: Cross multiply
    329,607x = 494,117.28 × 119,198.16
  4. Step 4: Simplify right side
    329,607x = 58,897,870,600.20
  5. Step 5: Solve for x
    x = 58,897,870,600.20/329,607
  6. Step 6: Final answer
    x = 178,691.20

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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.