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Finding the Fourth Proportional to 559,061.94, 838,600.20 and 159,715.74

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Solution

The fourth proportional to 559,061.94, 838,600.20 and 159,715.74 is: 239,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,061.94 : 838,600.20 = 159,715.74 : x
  2. Step 2: Convert to fraction form
    559,061.94/838,600.20 = 159,715.74/x
  3. Step 3: Cross multiply
    559,061.94x = 838,600.20 × 159,715.74
  4. Step 4: Simplify right side
    559,061.94x = 133,937,651,507.15
  5. Step 5: Solve for x
    x = 133,937,651,507.15/559,061.94
  6. Step 6: Final answer
    x = 239,575.69

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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.