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Finding the Fourth Proportional to 559,048.80, 838,580.49 and 159,702.60

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Solution

The fourth proportional to 559,048.80, 838,580.49 and 159,702.60 is: 239,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,048.80 : 838,580.49 = 159,702.60 : x
  2. Step 2: Convert to fraction form
    559,048.80/838,580.49 = 159,702.60/x
  3. Step 3: Cross multiply
    559,048.80x = 838,580.49 × 159,702.60
  4. Step 4: Simplify right side
    559,048.80x = 133,923,484,562.27
  5. Step 5: Solve for x
    x = 133,923,484,562.27/559,048.80
  6. Step 6: Final answer
    x = 239,555.98

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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.