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Finding the Fourth Proportional to 540,119.80, 810,179.70 and 532,246.60

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Solution

The fourth proportional to 540,119.80, 810,179.70 and 532,246.60 is: 798,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,119.80 : 810,179.70 = 532,246.60 : x
  2. Step 2: Convert to fraction form
    540,119.80/810,179.70 = 532,246.60/x
  3. Step 3: Cross multiply
    540,119.80x = 810,179.70 × 532,246.60
  4. Step 4: Simplify right side
    540,119.80x = 431,215,390,714.02
  5. Step 5: Solve for x
    x = 431,215,390,714.02/540,119.80
  6. Step 6: Final answer
    x = 798,369.90

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Double scale
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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.