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Finding the Fourth Proportional to 338,087.86, 466,540.61 and 185,127.86

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Solution

The fourth proportional to 338,087.86, 466,540.61 and 185,127.86 is: 255,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,087.86 : 466,540.61 = 185,127.86 : x
  2. Step 2: Convert to fraction form
    338,087.86/466,540.61 = 185,127.86/x
  3. Step 3: Cross multiply
    338,087.86x = 466,540.61 × 185,127.86
  4. Step 4: Simplify right side
    338,087.86x = 86,369,664,973.11
  5. Step 5: Solve for x
    x = 86,369,664,973.11/338,087.86
  6. Step 6: Final answer
    x = 255,465.15

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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.