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Finding the Fourth Proportional to 503,331.65, 755,115.72 and 166,372.32

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Solution

The fourth proportional to 503,331.65, 755,115.72 and 166,372.32 is: 249,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,331.65 : 755,115.72 = 166,372.32 : x
  2. Step 2: Convert to fraction form
    503,331.65/755,115.72 = 166,372.32/x
  3. Step 3: Cross multiply
    503,331.65x = 755,115.72 × 166,372.32
  4. Step 4: Simplify right side
    503,331.65x = 125,630,354,204.87
  5. Step 5: Solve for x
    x = 125,630,354,204.87/503,331.65
  6. Step 6: Final answer
    x = 249,597.56

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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.