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Finding the Fourth Proportional to 566,436.65, 781,757.22 and 340,096.73

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Solution

The fourth proportional to 566,436.65, 781,757.22 and 340,096.73 is: 469,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,436.65 : 781,757.22 = 340,096.73 : x
  2. Step 2: Convert to fraction form
    566,436.65/781,757.22 = 340,096.73/x
  3. Step 3: Cross multiply
    566,436.65x = 781,757.22 × 340,096.73
  4. Step 4: Simplify right side
    566,436.65x = 265,873,074,175.89
  5. Step 5: Solve for x
    x = 265,873,074,175.89/566,436.65
  6. Step 6: Final answer
    x = 469,378.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.