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Finding the Fourth Proportional to 317,334.95, 476,003.53 and 80,677.65

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Solution

The fourth proportional to 317,334.95, 476,003.53 and 80,677.65 is: 121,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,334.95 : 476,003.53 = 80,677.65 : x
  2. Step 2: Convert to fraction form
    317,334.95/476,003.53 = 80,677.65/x
  3. Step 3: Cross multiply
    317,334.95x = 476,003.53 × 80,677.65
  4. Step 4: Simplify right side
    317,334.95x = 38,402,846,192.10
  5. Step 5: Solve for x
    x = 38,402,846,192.10/317,334.95
  6. Step 6: Final answer
    x = 121,016.76

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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.