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Finding the Fourth Proportional to 508,073.50, 762,110.61 and 129,022.66

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Solution

The fourth proportional to 508,073.50, 762,110.61 and 129,022.66 is: 193,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,073.50 : 762,110.61 = 129,022.66 : x
  2. Step 2: Convert to fraction form
    508,073.50/762,110.61 = 129,022.66/x
  3. Step 3: Cross multiply
    508,073.50x = 762,110.61 × 129,022.66
  4. Step 4: Simplify right side
    508,073.50x = 98,329,538,116.42
  5. Step 5: Solve for x
    x = 98,329,538,116.42/508,073.50
  6. Step 6: Final answer
    x = 193,534.08

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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.