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Finding the Fourth Proportional to 497,030.20, 745,545.30 and 441,917.80

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Solution

The fourth proportional to 497,030.20, 745,545.30 and 441,917.80 is: 662,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,030.20 : 745,545.30 = 441,917.80 : x
  2. Step 2: Convert to fraction form
    497,030.20/745,545.30 = 441,917.80/x
  3. Step 3: Cross multiply
    497,030.20x = 745,545.30 × 441,917.80
  4. Step 4: Simplify right side
    497,030.20x = 329,469,738,776.34
  5. Step 5: Solve for x
    x = 329,469,738,776.34/497,030.20
  6. Step 6: Final answer
    x = 662,876.70

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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.