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Finding the Fourth Proportional to 292,914.32, 404,429.96 and 231,568.88

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Solution

The fourth proportional to 292,914.32, 404,429.96 and 231,568.88 is: 319,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,914.32 : 404,429.96 = 231,568.88 : x
  2. Step 2: Convert to fraction form
    292,914.32/404,429.96 = 231,568.88/x
  3. Step 3: Cross multiply
    292,914.32x = 404,429.96 × 231,568.88
  4. Step 4: Simplify right side
    292,914.32x = 93,653,392,875.64
  5. Step 5: Solve for x
    x = 93,653,392,875.64/292,914.32
  6. Step 6: Final answer
    x = 319,729.65

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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.