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Finding the Fourth Proportional to 461,493.32, 636,861.30 and 260,289.32

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Solution

The fourth proportional to 461,493.32, 636,861.30 and 260,289.32 is: 359,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,493.32 : 636,861.30 = 260,289.32 : x
  2. Step 2: Convert to fraction form
    461,493.32/636,861.30 = 260,289.32/x
  3. Step 3: Cross multiply
    461,493.32x = 636,861.30 × 260,289.32
  4. Step 4: Simplify right side
    461,493.32x = 165,768,194,711.32
  5. Step 5: Solve for x
    x = 165,768,194,711.32/461,493.32
  6. Step 6: Final answer
    x = 359,199.55

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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.