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Finding the Fourth Proportional to 440,483.58, 660,773.40 and 140,893.74

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Solution

The fourth proportional to 440,483.58, 660,773.40 and 140,893.74 is: 211,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,483.58 : 660,773.40 = 140,893.74 : x
  2. Step 2: Convert to fraction form
    440,483.58/660,773.40 = 140,893.74/x
  3. Step 3: Cross multiply
    440,483.58x = 660,773.40 × 140,893.74
  4. Step 4: Simplify right side
    440,483.58x = 93,098,835,618.52
  5. Step 5: Solve for x
    x = 93,098,835,618.52/440,483.58
  6. Step 6: Final answer
    x = 211,355.97

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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.