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Finding the Fourth Proportional to 266,101.80, 399,347.10 and 177,325.80

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Solution

The fourth proportional to 266,101.80, 399,347.10 and 177,325.80 is: 266,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,101.80 : 399,347.10 = 177,325.80 : x
  2. Step 2: Convert to fraction form
    266,101.80/399,347.10 = 177,325.80/x
  3. Step 3: Cross multiply
    266,101.80x = 399,347.10 × 177,325.80
  4. Step 4: Simplify right side
    266,101.80x = 70,814,543,985.18
  5. Step 5: Solve for x
    x = 70,814,543,985.18/266,101.80
  6. Step 6: Final answer
    x = 266,118.24

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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.