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Finding the Fourth Proportional to 317,508.50, 476,262.76 and 95,892.50

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Solution

The fourth proportional to 317,508.50, 476,262.76 and 95,892.50 is: 143,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,508.50 : 476,262.76 = 95,892.50 : x
  2. Step 2: Convert to fraction form
    317,508.50/476,262.76 = 95,892.50/x
  3. Step 3: Cross multiply
    317,508.50x = 476,262.76 × 95,892.50
  4. Step 4: Simplify right side
    317,508.50x = 45,670,026,713.30
  5. Step 5: Solve for x
    x = 45,670,026,713.30/317,508.50
  6. Step 6: Final answer
    x = 143,838.75

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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.