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Finding the Fourth Proportional to 502,096.80, 753,145.20 and 169,672.80

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Solution

The fourth proportional to 502,096.80, 753,145.20 and 169,672.80 is: 254,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,096.80 : 753,145.20 = 169,672.80 : x
  2. Step 2: Convert to fraction form
    502,096.80/753,145.20 = 169,672.80/x
  3. Step 3: Cross multiply
    502,096.80x = 753,145.20 × 169,672.80
  4. Step 4: Simplify right side
    502,096.80x = 127,788,254,890.56
  5. Step 5: Solve for x
    x = 127,788,254,890.56/502,096.80
  6. Step 6: Final answer
    x = 254,509.20

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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.