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Finding the Fourth Proportional to 609,339.20, 914,008.80 and 160,030.40

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Solution

The fourth proportional to 609,339.20, 914,008.80 and 160,030.40 is: 240,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,339.20 : 914,008.80 = 160,030.40 : x
  2. Step 2: Convert to fraction form
    609,339.20/914,008.80 = 160,030.40/x
  3. Step 3: Cross multiply
    609,339.20x = 914,008.80 × 160,030.40
  4. Step 4: Simplify right side
    609,339.20x = 146,269,193,867.52
  5. Step 5: Solve for x
    x = 146,269,193,867.52/609,339.20
  6. Step 6: Final answer
    x = 240,045.60

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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.