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Finding the Fourth Proportional to 317,248.60, 437,839.66 and 189,924.12

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Solution

The fourth proportional to 317,248.60, 437,839.66 and 189,924.12 is: 262,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,248.60 : 437,839.66 = 189,924.12 : x
  2. Step 2: Convert to fraction form
    317,248.60/437,839.66 = 189,924.12/x
  3. Step 3: Cross multiply
    317,248.60x = 437,839.66 × 189,924.12
  4. Step 4: Simplify right side
    317,248.60x = 83,156,312,126.60
  5. Step 5: Solve for x
    x = 83,156,312,126.60/317,248.60
  6. Step 6: Final answer
    x = 262,117.19

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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.