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Finding the Fourth Proportional to 317,460.48, 476,213.76 and 95,861.76

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Solution

The fourth proportional to 317,460.48, 476,213.76 and 95,861.76 is: 143,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,460.48 : 476,213.76 = 95,861.76 : x
  2. Step 2: Convert to fraction form
    317,460.48/476,213.76 = 95,861.76/x
  3. Step 3: Cross multiply
    317,460.48x = 476,213.76 × 95,861.76
  4. Step 4: Simplify right side
    317,460.48x = 45,650,689,169.82
  5. Step 5: Solve for x
    x = 45,650,689,169.82/317,460.48
  6. Step 6: Final answer
    x = 143,799.60

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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.