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Finding the Fourth Proportional to 426,493.80, 588,557.70 and 235,508.76

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Solution

The fourth proportional to 426,493.80, 588,557.70 and 235,508.76 is: 325,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,493.80 : 588,557.70 = 235,508.76 : x
  2. Step 2: Convert to fraction form
    426,493.80/588,557.70 = 235,508.76/x
  3. Step 3: Cross multiply
    426,493.80x = 588,557.70 × 235,508.76
  4. Step 4: Simplify right side
    426,493.80x = 138,610,494,115.45
  5. Step 5: Solve for x
    x = 138,610,494,115.45/426,493.80
  6. Step 6: Final answer
    x = 325,000.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.