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Finding the Fourth Proportional to 614,847.90, 922,421.88 and 235,761.83

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Solution

The fourth proportional to 614,847.90, 922,421.88 and 235,761.83 is: 353,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,847.90 : 922,421.88 = 235,761.83 : x
  2. Step 2: Convert to fraction form
    614,847.90/922,421.88 = 235,761.83/x
  3. Step 3: Cross multiply
    614,847.90x = 922,421.88 × 235,761.83
  4. Step 4: Simplify right side
    614,847.90x = 217,471,865,848.73
  5. Step 5: Solve for x
    x = 217,471,865,848.73/614,847.90
  6. Step 6: Final answer
    x = 353,700.27

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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.