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Finding the Fourth Proportional to 466,373.87, 699,482.55 and 129,448.76

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Solution

The fourth proportional to 466,373.87, 699,482.55 and 129,448.76 is: 194,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,373.87 : 699,482.55 = 129,448.76 : x
  2. Step 2: Convert to fraction form
    466,373.87/699,482.55 = 129,448.76/x
  3. Step 3: Cross multiply
    466,373.87x = 699,482.55 × 129,448.76
  4. Step 4: Simplify right side
    466,373.87x = 90,547,145,727.16
  5. Step 5: Solve for x
    x = 90,547,145,727.16/466,373.87
  6. Step 6: Final answer
    x = 194,151.41

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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.