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Finding the Fourth Proportional to 908,581.20, 1,359,919.35 and 908,581.20

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Solution

The fourth proportional to 908,581.20, 1,359,919.35 and 908,581.20 is: 1,359,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,581.20 : 1,359,919.35 = 908,581.20 : x
  2. Step 2: Convert to fraction form
    908,581.20/1,359,919.35 = 908,581.20/x
  3. Step 3: Cross multiply
    908,581.20x = 1,359,919.35 × 908,581.20
  4. Step 4: Simplify right side
    908,581.20x = 1,235,597,154,926.22
  5. Step 5: Solve for x
    x = 1,235,597,154,926.22/908,581.20
  6. Step 6: Final answer
    x = 1,359,919.35

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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.