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Finding the Fourth Proportional to 266,424.96, 399,655.68 and 88,924.80

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Solution

The fourth proportional to 266,424.96, 399,655.68 and 88,924.80 is: 133,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,424.96 : 399,655.68 = 88,924.80 : x
  2. Step 2: Convert to fraction form
    266,424.96/399,655.68 = 88,924.80/x
  3. Step 3: Cross multiply
    266,424.96x = 399,655.68 × 88,924.80
  4. Step 4: Simplify right side
    266,424.96x = 35,539,301,412.86
  5. Step 5: Solve for x
    x = 35,539,301,412.86/266,424.96
  6. Step 6: Final answer
    x = 133,393.29

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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.