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Finding the Fourth Proportional to 338,897.59, 467,295.18 and 216,225.79

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Solution

The fourth proportional to 338,897.59, 467,295.18 and 216,225.79 is: 298,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,897.59 : 467,295.18 = 216,225.79 : x
  2. Step 2: Convert to fraction form
    338,897.59/467,295.18 = 216,225.79/x
  3. Step 3: Cross multiply
    338,897.59x = 467,295.18 × 216,225.79
  4. Step 4: Simplify right side
    338,897.59x = 101,041,269,458.69
  5. Step 5: Solve for x
    x = 101,041,269,458.69/338,897.59
  6. Step 6: Final answer
    x = 298,146.91

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1.5x scale

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.