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Finding the Fourth Proportional to 404,501.90, 606,752.85 and 123,982.70

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Solution

The fourth proportional to 404,501.90, 606,752.85 and 123,982.70 is: 185,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,501.90 : 606,752.85 = 123,982.70 : x
  2. Step 2: Convert to fraction form
    404,501.90/606,752.85 = 123,982.70/x
  3. Step 3: Cross multiply
    404,501.90x = 606,752.85 × 123,982.70
  4. Step 4: Simplify right side
    404,501.90x = 75,226,856,575.70
  5. Step 5: Solve for x
    x = 75,226,856,575.70/404,501.90
  6. Step 6: Final answer
    x = 185,974.05

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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.