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Finding the Fourth Proportional to 497,195.70, 745,793.55 and 447,429.30

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Solution

The fourth proportional to 497,195.70, 745,793.55 and 447,429.30 is: 671,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,195.70 : 745,793.55 = 447,429.30 : x
  2. Step 2: Convert to fraction form
    497,195.70/745,793.55 = 447,429.30/x
  3. Step 3: Cross multiply
    497,195.70x = 745,793.55 × 447,429.30
  4. Step 4: Simplify right side
    497,195.70x = 333,689,886,021.02
  5. Step 5: Solve for x
    x = 333,689,886,021.02/497,195.70
  6. Step 6: Final answer
    x = 671,143.95

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Similar ratio
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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.