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Finding the Fourth Proportional to 338,903.38, 467,670.88 and 185,938.12

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Solution

The fourth proportional to 338,903.38, 467,670.88 and 185,938.12 is: 256,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,903.38 : 467,670.88 = 185,938.12 : x
  2. Step 2: Convert to fraction form
    338,903.38/467,670.88 = 185,938.12/x
  3. Step 3: Cross multiply
    338,903.38x = 467,670.88 × 185,938.12
  4. Step 4: Simplify right side
    338,903.38x = 86,957,843,276.26
  5. Step 5: Solve for x
    x = 86,957,843,276.26/338,903.38
  6. Step 6: Final answer
    x = 256,585.94

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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.