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Finding the Fourth Proportional to 293,572.80, 440,373.60 and 153,604.80

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Solution

The fourth proportional to 293,572.80, 440,373.60 and 153,604.80 is: 230,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,572.80 : 440,373.60 = 153,604.80 : x
  2. Step 2: Convert to fraction form
    293,572.80/440,373.60 = 153,604.80/x
  3. Step 3: Cross multiply
    293,572.80x = 440,373.60 × 153,604.80
  4. Step 4: Simplify right side
    293,572.80x = 67,643,498,753.28
  5. Step 5: Solve for x
    x = 67,643,498,753.28/293,572.80
  6. Step 6: Final answer
    x = 230,414.73

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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.