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Finding the Fourth Proportional to 438,770.01, 658,103.97 and 123,253.95

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Solution

The fourth proportional to 438,770.01, 658,103.97 and 123,253.95 is: 184,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,770.01 : 658,103.97 = 123,253.95 : x
  2. Step 2: Convert to fraction form
    438,770.01/658,103.97 = 123,253.95/x
  3. Step 3: Cross multiply
    438,770.01x = 658,103.97 × 123,253.95
  4. Step 4: Simplify right side
    438,770.01x = 81,113,913,813.18
  5. Step 5: Solve for x
    x = 81,113,913,813.18/438,770.01
  6. Step 6: Final answer
    x = 184,866.59

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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.