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Finding the Fourth Proportional to 559,062.06, 838,600.36 and 159,715.86

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Solution

The fourth proportional to 559,062.06, 838,600.36 and 159,715.86 is: 239,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,062.06 : 838,600.36 = 159,715.86 : x
  2. Step 2: Convert to fraction form
    559,062.06/838,600.36 = 159,715.86/x
  3. Step 3: Cross multiply
    559,062.06x = 838,600.36 × 159,715.86
  4. Step 4: Simplify right side
    559,062.06x = 133,937,777,693.71
  5. Step 5: Solve for x
    x = 133,937,777,693.71/559,062.06
  6. Step 6: Final answer
    x = 239,575.87

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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.