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Finding the Fourth Proportional to 266,427.60, 399,301.20 and 108,477.60

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Solution

The fourth proportional to 266,427.60, 399,301.20 and 108,477.60 is: 162,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,427.60 : 399,301.20 = 108,477.60 : x
  2. Step 2: Convert to fraction form
    266,427.60/399,301.20 = 108,477.60/x
  3. Step 3: Cross multiply
    266,427.60x = 399,301.20 × 108,477.60
  4. Step 4: Simplify right side
    266,427.60x = 43,315,235,853.12
  5. Step 5: Solve for x
    x = 43,315,235,853.12/266,427.60
  6. Step 6: Final answer
    x = 162,577.89

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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.