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Finding the Fourth Proportional to 297,479.40, 410,519.18 and 161,510.66

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Solution

The fourth proportional to 297,479.40, 410,519.18 and 161,510.66 is: 222,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,479.40 : 410,519.18 = 161,510.66 : x
  2. Step 2: Convert to fraction form
    297,479.40/410,519.18 = 161,510.66/x
  3. Step 3: Cross multiply
    297,479.40x = 410,519.18 × 161,510.66
  4. Step 4: Simplify right side
    297,479.40x = 66,303,220,844.31
  5. Step 5: Solve for x
    x = 66,303,220,844.31/297,479.40
  6. Step 6: Final answer
    x = 222,883.40

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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.