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Finding the Fourth Proportional to 266,040.29, 399,200.56 and 153,799.33

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Solution

The fourth proportional to 266,040.29, 399,200.56 and 153,799.33 is: 230,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,040.29 : 399,200.56 = 153,799.33 : x
  2. Step 2: Convert to fraction form
    266,040.29/399,200.56 = 153,799.33/x
  3. Step 3: Cross multiply
    266,040.29x = 399,200.56 × 153,799.33
  4. Step 4: Simplify right side
    266,040.29x = 61,396,778,663.62
  5. Step 5: Solve for x
    x = 61,396,778,663.62/266,040.29
  6. Step 6: Final answer
    x = 230,780.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.