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Finding the Fourth Proportional to 338,762.59, 467,490.96 and 185,796.72

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Solution

The fourth proportional to 338,762.59, 467,490.96 and 185,796.72 is: 256,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,762.59 : 467,490.96 = 185,796.72 : x
  2. Step 2: Convert to fraction form
    338,762.59/467,490.96 = 185,796.72/x
  3. Step 3: Cross multiply
    338,762.59x = 467,490.96 × 185,796.72
  4. Step 4: Simplify right side
    338,762.59x = 86,858,286,997.65
  5. Step 5: Solve for x
    x = 86,858,286,997.65/338,762.59
  6. Step 6: Final answer
    x = 256,398.70

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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.