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Finding the Fourth Proportional to 293,633.70, 440,479.62 and 93,903.90

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Solution

The fourth proportional to 293,633.70, 440,479.62 and 93,903.90 is: 140,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,633.70 : 440,479.62 = 93,903.90 : x
  2. Step 2: Convert to fraction form
    293,633.70/440,479.62 = 93,903.90/x
  3. Step 3: Cross multiply
    293,633.70x = 440,479.62 × 93,903.90
  4. Step 4: Simplify right side
    293,633.70x = 41,362,754,188.52
  5. Step 5: Solve for x
    x = 41,362,754,188.52/293,633.70
  6. Step 6: Final answer
    x = 140,865.15

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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.