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Finding the Fourth Proportional to 401,793.66, 602,670.96 and 149,123.34

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Solution

The fourth proportional to 401,793.66, 602,670.96 and 149,123.34 is: 223,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,793.66 : 602,670.96 = 149,123.34 : x
  2. Step 2: Convert to fraction form
    401,793.66/602,670.96 = 149,123.34/x
  3. Step 3: Cross multiply
    401,793.66x = 602,670.96 × 149,123.34
  4. Step 4: Simplify right side
    401,793.66x = 89,872,306,476.21
  5. Step 5: Solve for x
    x = 89,872,306,476.21/401,793.66
  6. Step 6: Final answer
    x = 223,677.76

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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.