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Finding the Fourth Proportional to 317,375.38, 437,974.59 and 174,135.39

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Solution

The fourth proportional to 317,375.38, 437,974.59 and 174,135.39 is: 240,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,375.38 : 437,974.59 = 174,135.39 : x
  2. Step 2: Convert to fraction form
    317,375.38/437,974.59 = 174,135.39/x
  3. Step 3: Cross multiply
    317,375.38x = 437,974.59 × 174,135.39
  4. Step 4: Simplify right side
    317,375.38x = 76,266,875,050.34
  5. Step 5: Solve for x
    x = 76,266,875,050.34/317,375.38
  6. Step 6: Final answer
    x = 240,304.95

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1.5x scale

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.