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Finding the Fourth Proportional to 497,015.60, 745,523.40 and 441,903.20

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Solution

The fourth proportional to 497,015.60, 745,523.40 and 441,903.20 is: 662,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,015.60 : 745,523.40 = 441,903.20 : x
  2. Step 2: Convert to fraction form
    497,015.60/745,523.40 = 441,903.20/x
  3. Step 3: Cross multiply
    497,015.60x = 745,523.40 × 441,903.20
  4. Step 4: Simplify right side
    497,015.60x = 329,449,176,134.88
  5. Step 5: Solve for x
    x = 329,449,176,134.88/497,015.60
  6. Step 6: Final answer
    x = 662,854.80

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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.