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Finding the Fourth Proportional to 584,451.40, 876,677.10 and 486,036.40

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Solution

The fourth proportional to 584,451.40, 876,677.10 and 486,036.40 is: 729,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,451.40 : 876,677.10 = 486,036.40 : x
  2. Step 2: Convert to fraction form
    584,451.40/876,677.10 = 486,036.40/x
  3. Step 3: Cross multiply
    584,451.40x = 876,677.10 × 486,036.40
  4. Step 4: Simplify right side
    584,451.40x = 426,096,981,646.44
  5. Step 5: Solve for x
    x = 426,096,981,646.44/584,451.40
  6. Step 6: Final answer
    x = 729,054.60

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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.