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Finding the Fourth Proportional to 536,624.64, 804,691.08 and 320,582.52

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Solution

The fourth proportional to 536,624.64, 804,691.08 and 320,582.52 is: 480,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,624.64 : 804,691.08 = 320,582.52 : x
  2. Step 2: Convert to fraction form
    536,624.64/804,691.08 = 320,582.52/x
  3. Step 3: Cross multiply
    536,624.64x = 804,691.08 × 320,582.52
  4. Step 4: Simplify right side
    536,624.64x = 257,969,894,247.92
  5. Step 5: Solve for x
    x = 257,969,894,247.92/536,624.64
  6. Step 6: Final answer
    x = 480,726.89

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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.