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Finding the Fourth Proportional to 400,160.86, 552,239.67 and 230,449.66

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Solution

The fourth proportional to 400,160.86, 552,239.67 and 230,449.66 is: 318,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,160.86 : 552,239.67 = 230,449.66 : x
  2. Step 2: Convert to fraction form
    400,160.86/552,239.67 = 230,449.66/x
  3. Step 3: Cross multiply
    400,160.86x = 552,239.67 × 230,449.66
  4. Step 4: Simplify right side
    400,160.86x = 127,263,443,673.60
  5. Step 5: Solve for x
    x = 127,263,443,673.60/400,160.86
  6. Step 6: Final answer
    x = 318,030.72

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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.