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Finding the Fourth Proportional to 266,977.20, 400,465.80 and 167,444.40

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Solution

The fourth proportional to 266,977.20, 400,465.80 and 167,444.40 is: 251,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,977.20 : 400,465.80 = 167,444.40 : x
  2. Step 2: Convert to fraction form
    266,977.20/400,465.80 = 167,444.40/x
  3. Step 3: Cross multiply
    266,977.20x = 400,465.80 × 167,444.40
  4. Step 4: Simplify right side
    266,977.20x = 67,055,755,601.52
  5. Step 5: Solve for x
    x = 67,055,755,601.52/266,977.20
  6. Step 6: Final answer
    x = 251,166.60

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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.