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Finding the Fourth Proportional to 536,658.69, 804,979.65 and 137,296.02

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Solution

The fourth proportional to 536,658.69, 804,979.65 and 137,296.02 is: 205,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,658.69 : 804,979.65 = 137,296.02 : x
  2. Step 2: Convert to fraction form
    536,658.69/804,979.65 = 137,296.02/x
  3. Step 3: Cross multiply
    536,658.69x = 804,979.65 × 137,296.02
  4. Step 4: Simplify right side
    536,658.69x = 110,520,502,125.99
  5. Step 5: Solve for x
    x = 110,520,502,125.99/536,658.69
  6. Step 6: Final answer
    x = 205,941.88

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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.