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Finding the Fourth Proportional to 400,633.56, 552,900.96 and 230,878.62

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Solution

The fourth proportional to 400,633.56, 552,900.96 and 230,878.62 is: 318,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,633.56 : 552,900.96 = 230,878.62 : x
  2. Step 2: Convert to fraction form
    400,633.56/552,900.96 = 230,878.62/x
  3. Step 3: Cross multiply
    400,633.56x = 552,900.96 × 230,878.62
  4. Step 4: Simplify right side
    400,633.56x = 127,653,010,641.48
  5. Step 5: Solve for x
    x = 127,653,010,641.48/400,633.56
  6. Step 6: Final answer
    x = 318,627.85

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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.