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Finding the Fourth Proportional to 397,472.30, 596,463.60 and 220,106.60

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Solution

The fourth proportional to 397,472.30, 596,463.60 and 220,106.60 is: 330,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,472.30 : 596,463.60 = 220,106.60 : x
  2. Step 2: Convert to fraction form
    397,472.30/596,463.60 = 220,106.60/x
  3. Step 3: Cross multiply
    397,472.30x = 596,463.60 × 220,106.60
  4. Step 4: Simplify right side
    397,472.30x = 131,285,575,019.76
  5. Step 5: Solve for x
    x = 131,285,575,019.76/397,472.30
  6. Step 6: Final answer
    x = 330,301.19

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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.