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Finding the Fourth Proportional to 293,616.20, 440,424.30 and 153,417.80

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Solution

The fourth proportional to 293,616.20, 440,424.30 and 153,417.80 is: 230,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,616.20 : 440,424.30 = 153,417.80 : x
  2. Step 2: Convert to fraction form
    293,616.20/440,424.30 = 153,417.80/x
  3. Step 3: Cross multiply
    293,616.20x = 440,424.30 × 153,417.80
  4. Step 4: Simplify right side
    293,616.20x = 67,568,927,172.54
  5. Step 5: Solve for x
    x = 67,568,927,172.54/293,616.20
  6. Step 6: Final answer
    x = 230,126.70

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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.