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Finding the Fourth Proportional to 356,458.92, 534,688.38 and 119,801.60

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Solution

The fourth proportional to 356,458.92, 534,688.38 and 119,801.60 is: 179,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,458.92 : 534,688.38 = 119,801.60 : x
  2. Step 2: Convert to fraction form
    356,458.92/534,688.38 = 119,801.60/x
  3. Step 3: Cross multiply
    356,458.92x = 534,688.38 × 119,801.60
  4. Step 4: Simplify right side
    356,458.92x = 64,056,520,751.97
  5. Step 5: Solve for x
    x = 64,056,520,751.97/356,458.92
  6. Step 6: Final answer
    x = 179,702.39

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1.5x scale

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.