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Finding the Fourth Proportional to 293,392.80, 440,103.60 and 153,424.80

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Solution

The fourth proportional to 293,392.80, 440,103.60 and 153,424.80 is: 230,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,392.80 : 440,103.60 = 153,424.80 : x
  2. Step 2: Convert to fraction form
    293,392.80/440,103.60 = 153,424.80/x
  3. Step 3: Cross multiply
    293,392.80x = 440,103.60 × 153,424.80
  4. Step 4: Simplify right side
    293,392.80x = 67,522,806,809.28
  5. Step 5: Solve for x
    x = 67,522,806,809.28/293,392.80
  6. Step 6: Final answer
    x = 230,144.73

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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.