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Finding the Fourth Proportional to 356,292.54, 534,487.98 and 119,702.88

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Solution

The fourth proportional to 356,292.54, 534,487.98 and 119,702.88 is: 179,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,292.54 : 534,487.98 = 119,702.88 : x
  2. Step 2: Convert to fraction form
    356,292.54/534,487.98 = 119,702.88/x
  3. Step 3: Cross multiply
    356,292.54x = 534,487.98 × 119,702.88
  4. Step 4: Simplify right side
    356,292.54x = 63,979,750,531.38
  5. Step 5: Solve for x
    x = 63,979,750,531.38/356,292.54
  6. Step 6: Final answer
    x = 179,570.84

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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.