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Finding the Fourth Proportional to 338,177.50, 466,699.62 and 187,274.50

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Solution

The fourth proportional to 338,177.50, 466,699.62 and 187,274.50 is: 258,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,177.50 : 466,699.62 = 187,274.50 : x
  2. Step 2: Convert to fraction form
    338,177.50/466,699.62 = 187,274.50/x
  3. Step 3: Cross multiply
    338,177.50x = 466,699.62 × 187,274.50
  4. Step 4: Simplify right side
    338,177.50x = 87,400,937,985.69
  5. Step 5: Solve for x
    x = 87,400,937,985.69/338,177.50
  6. Step 6: Final answer
    x = 258,446.93

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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.