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Finding the Fourth Proportional to 559,414.80, 839,122.20 and 160,079.40

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Solution

The fourth proportional to 559,414.80, 839,122.20 and 160,079.40 is: 240,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,414.80 : 839,122.20 = 160,079.40 : x
  2. Step 2: Convert to fraction form
    559,414.80/839,122.20 = 160,079.40/x
  3. Step 3: Cross multiply
    559,414.80x = 839,122.20 × 160,079.40
  4. Step 4: Simplify right side
    559,414.80x = 134,326,178,302.68
  5. Step 5: Solve for x
    x = 134,326,178,302.68/559,414.80
  6. Step 6: Final answer
    x = 240,119.10

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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.