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Finding the Fourth Proportional to 584,932.40, 876,086.40 and 479,956.40

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Solution

The fourth proportional to 584,932.40, 876,086.40 and 479,956.40 is: 718,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,932.40 : 876,086.40 = 479,956.40 : x
  2. Step 2: Convert to fraction form
    584,932.40/876,086.40 = 479,956.40/x
  3. Step 3: Cross multiply
    584,932.40x = 876,086.40 × 479,956.40
  4. Step 4: Simplify right side
    584,932.40x = 420,483,274,632.96
  5. Step 5: Solve for x
    x = 420,483,274,632.96/584,932.40
  6. Step 6: Final answer
    x = 718,857.90

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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.