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Finding the Fourth Proportional to 696,303.60, 1,044,309.60 and 341,572.20

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Solution

The fourth proportional to 696,303.60, 1,044,309.60 and 341,572.20 is: 512,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,303.60 : 1,044,309.60 = 341,572.20 : x
  2. Step 2: Convert to fraction form
    696,303.60/1,044,309.60 = 341,572.20/x
  3. Step 3: Cross multiply
    696,303.60x = 1,044,309.60 × 341,572.20
  4. Step 4: Simplify right side
    696,303.60x = 356,707,127,553.12
  5. Step 5: Solve for x
    x = 356,707,127,553.12/696,303.60
  6. Step 6: Final answer
    x = 512,286.78

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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.