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Finding the Fourth Proportional to 297,391.02, 410,400.56 and 161,425.08

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Solution

The fourth proportional to 297,391.02, 410,400.56 and 161,425.08 is: 222,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,391.02 : 410,400.56 = 161,425.08 : x
  2. Step 2: Convert to fraction form
    297,391.02/410,400.56 = 161,425.08/x
  3. Step 3: Cross multiply
    297,391.02x = 410,400.56 × 161,425.08
  4. Step 4: Simplify right side
    297,391.02x = 66,248,943,230.04
  5. Step 5: Solve for x
    x = 66,248,943,230.04/297,391.02
  6. Step 6: Final answer
    x = 222,767.13

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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.