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Finding the Fourth Proportional to 532,912.40, 799,374.93 and 148,637.90

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Solution

The fourth proportional to 532,912.40, 799,374.93 and 148,637.90 is: 222,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,912.40 : 799,374.93 = 148,637.90 : x
  2. Step 2: Convert to fraction form
    532,912.40/799,374.93 = 148,637.90/x
  3. Step 3: Cross multiply
    532,912.40x = 799,374.93 × 148,637.90
  4. Step 4: Simplify right side
    532,912.40x = 118,817,406,910.97
  5. Step 5: Solve for x
    x = 118,817,406,910.97/532,912.40
  6. Step 6: Final answer
    x = 222,958.61

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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.