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Finding the Fourth Proportional to 664,232.40, 996,348.60 and 264,934.80

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Solution

The fourth proportional to 664,232.40, 996,348.60 and 264,934.80 is: 397,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,232.40 : 996,348.60 = 264,934.80 : x
  2. Step 2: Convert to fraction form
    664,232.40/996,348.60 = 264,934.80/x
  3. Step 3: Cross multiply
    664,232.40x = 996,348.60 × 264,934.80
  4. Step 4: Simplify right side
    664,232.40x = 263,967,417,071.28
  5. Step 5: Solve for x
    x = 263,967,417,071.28/664,232.40
  6. Step 6: Final answer
    x = 397,402.20

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Similar ratio
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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.