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Finding the Fourth Proportional to 584,464.20, 876,696.30 and 479,401.80

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Solution

The fourth proportional to 584,464.20, 876,696.30 and 479,401.80 is: 719,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,464.20 : 876,696.30 = 479,401.80 : x
  2. Step 2: Convert to fraction form
    584,464.20/876,696.30 = 479,401.80/x
  3. Step 3: Cross multiply
    584,464.20x = 876,696.30 × 479,401.80
  4. Step 4: Simplify right side
    584,464.20x = 420,289,784,273.34
  5. Step 5: Solve for x
    x = 420,289,784,273.34/584,464.20
  6. Step 6: Final answer
    x = 719,102.70

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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.