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Finding the Fourth Proportional to 614,793.16, 922,604.18 and 215,437.52

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Solution

The fourth proportional to 614,793.16, 922,604.18 and 215,437.52 is: 323,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,793.16 : 922,604.18 = 215,437.52 : x
  2. Step 2: Convert to fraction form
    614,793.16/922,604.18 = 215,437.52/x
  3. Step 3: Cross multiply
    614,793.16x = 922,604.18 × 215,437.52
  4. Step 4: Simplify right side
    614,793.16x = 198,763,556,480.83
  5. Step 5: Solve for x
    x = 198,763,556,480.83/614,793.16
  6. Step 6: Final answer
    x = 323,301.51

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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.