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Finding the Fourth Proportional to 338,359.50, 466,942.05 and 185,387.67

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Solution

The fourth proportional to 338,359.50, 466,942.05 and 185,387.67 is: 255,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,359.50 : 466,942.05 = 185,387.67 : x
  2. Step 2: Convert to fraction form
    338,359.50/466,942.05 = 185,387.67/x
  3. Step 3: Cross multiply
    338,359.50x = 466,942.05 × 185,387.67
  4. Step 4: Simplify right side
    338,359.50x = 86,565,298,674.52
  5. Step 5: Solve for x
    x = 86,565,298,674.52/338,359.50
  6. Step 6: Final answer
    x = 255,838.24

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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.