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Finding the Fourth Proportional to 338,139.98, 466,627.47 and 187,233.74

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Solution

The fourth proportional to 338,139.98, 466,627.47 and 187,233.74 is: 258,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,139.98 : 466,627.47 = 187,233.74 : x
  2. Step 2: Convert to fraction form
    338,139.98/466,627.47 = 187,233.74/x
  3. Step 3: Cross multiply
    338,139.98x = 466,627.47 × 187,233.74
  4. Step 4: Simplify right side
    338,139.98x = 87,368,406,394.84
  5. Step 5: Solve for x
    x = 87,368,406,394.84/338,139.98
  6. Step 6: Final answer
    x = 258,379.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.