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Finding the Fourth Proportional to 559,133.28, 838,580.85 and 159,668.01

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Solution

The fourth proportional to 559,133.28, 838,580.85 and 159,668.01 is: 239,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,133.28 : 838,580.85 = 159,668.01 : x
  2. Step 2: Convert to fraction form
    559,133.28/838,580.85 = 159,668.01/x
  3. Step 3: Cross multiply
    559,133.28x = 838,580.85 × 159,668.01
  4. Step 4: Simplify right side
    559,133.28x = 133,894,535,543.61
  5. Step 5: Solve for x
    x = 133,894,535,543.61/559,133.28
  6. Step 6: Final answer
    x = 239,468.01

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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.