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Finding the Fourth Proportional to 558,668.52, 838,007.03 and 159,308.96

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Solution

The fourth proportional to 558,668.52, 838,007.03 and 159,308.96 is: 238,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,668.52 : 838,007.03 = 159,308.96 : x
  2. Step 2: Convert to fraction form
    558,668.52/838,007.03 = 159,308.96/x
  3. Step 3: Cross multiply
    558,668.52x = 838,007.03 × 159,308.96
  4. Step 4: Simplify right side
    558,668.52x = 133,502,024,630.23
  5. Step 5: Solve for x
    x = 133,502,024,630.23/558,668.52
  6. Step 6: Final answer
    x = 238,964.65

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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.