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Finding the Fourth Proportional to 543,119.40, 814,679.10 and 482,466.60

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Solution

The fourth proportional to 543,119.40, 814,679.10 and 482,466.60 is: 723,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,119.40 : 814,679.10 = 482,466.60 : x
  2. Step 2: Convert to fraction form
    543,119.40/814,679.10 = 482,466.60/x
  3. Step 3: Cross multiply
    543,119.40x = 814,679.10 × 482,466.60
  4. Step 4: Simplify right side
    543,119.40x = 393,055,455,468.06
  5. Step 5: Solve for x
    x = 393,055,455,468.06/543,119.40
  6. Step 6: Final answer
    x = 723,699.90

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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.