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Finding the Fourth Proportional to 266,527.40, 399,645.30 and 108,577.40

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Solution

The fourth proportional to 266,527.40, 399,645.30 and 108,577.40 is: 162,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,527.40 : 399,645.30 = 108,577.40 : x
  2. Step 2: Convert to fraction form
    266,527.40/399,645.30 = 108,577.40/x
  3. Step 3: Cross multiply
    266,527.40x = 399,645.30 × 108,577.40
  4. Step 4: Simplify right side
    266,527.40x = 43,392,447,596.22
  5. Step 5: Solve for x
    x = 43,392,447,596.22/266,527.40
  6. Step 6: Final answer
    x = 162,806.70

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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.