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Finding the Fourth Proportional to 493,520.24, 740,280.36 and 177,977.15

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Solution

The fourth proportional to 493,520.24, 740,280.36 and 177,977.15 is: 266,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,520.24 : 740,280.36 = 177,977.15 : x
  2. Step 2: Convert to fraction form
    493,520.24/740,280.36 = 177,977.15/x
  3. Step 3: Cross multiply
    493,520.24x = 740,280.36 × 177,977.15
  4. Step 4: Simplify right side
    493,520.24x = 131,752,988,415.84
  5. Step 5: Solve for x
    x = 131,752,988,415.84/493,520.24
  6. Step 6: Final answer
    x = 266,965.72

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Similar ratio
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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.