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Finding the Fourth Proportional to 293,407.70, 440,111.55 and 93,734.60

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Solution

The fourth proportional to 293,407.70, 440,111.55 and 93,734.60 is: 140,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,407.70 : 440,111.55 = 93,734.60 : x
  2. Step 2: Convert to fraction form
    293,407.70/440,111.55 = 93,734.60/x
  3. Step 3: Cross multiply
    293,407.70x = 440,111.55 × 93,734.60
  4. Step 4: Simplify right side
    293,407.70x = 41,253,680,094.63
  5. Step 5: Solve for x
    x = 41,253,680,094.63/293,407.70
  6. Step 6: Final answer
    x = 140,601.90

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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.