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Finding the Fourth Proportional to 609,340.20, 914,010.30 and 160,031.40

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Solution

The fourth proportional to 609,340.20, 914,010.30 and 160,031.40 is: 240,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,340.20 : 914,010.30 = 160,031.40 : x
  2. Step 2: Convert to fraction form
    609,340.20/914,010.30 = 160,031.40/x
  3. Step 3: Cross multiply
    609,340.20x = 914,010.30 × 160,031.40
  4. Step 4: Simplify right side
    609,340.20x = 146,270,347,923.42
  5. Step 5: Solve for x
    x = 146,270,347,923.42/609,340.20
  6. Step 6: Final answer
    x = 240,047.10

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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.