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Finding the Fourth Proportional to 592,709.80, 886,440.30 and 498,231.40

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Solution

The fourth proportional to 592,709.80, 886,440.30 and 498,231.40 is: 745,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,709.80 : 886,440.30 = 498,231.40 : x
  2. Step 2: Convert to fraction form
    592,709.80/886,440.30 = 498,231.40/x
  3. Step 3: Cross multiply
    592,709.80x = 886,440.30 × 498,231.40
  4. Step 4: Simplify right side
    592,709.80x = 441,652,391,685.42
  5. Step 5: Solve for x
    x = 441,652,391,685.42/592,709.80
  6. Step 6: Final answer
    x = 745,141.03

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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.