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Finding the Fourth Proportional to 397,219.80, 595,440.90 and 160,246.20

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Solution

The fourth proportional to 397,219.80, 595,440.90 and 160,246.20 is: 240,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,219.80 : 595,440.90 = 160,246.20 : x
  2. Step 2: Convert to fraction form
    397,219.80/595,440.90 = 160,246.20/x
  3. Step 3: Cross multiply
    397,219.80x = 595,440.90 × 160,246.20
  4. Step 4: Simplify right side
    397,219.80x = 95,417,141,549.58
  5. Step 5: Solve for x
    x = 95,417,141,549.58/397,219.80
  6. Step 6: Final answer
    x = 240,212.45

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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.