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Finding the Fourth Proportional to 404,232.30, 606,348.45 and 315,002.70

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Solution

The fourth proportional to 404,232.30, 606,348.45 and 315,002.70 is: 472,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,232.30 : 606,348.45 = 315,002.70 : x
  2. Step 2: Convert to fraction form
    404,232.30/606,348.45 = 315,002.70/x
  3. Step 3: Cross multiply
    404,232.30x = 606,348.45 × 315,002.70
  4. Step 4: Simplify right side
    404,232.30x = 191,001,398,890.82
  5. Step 5: Solve for x
    x = 191,001,398,890.82/404,232.30
  6. Step 6: Final answer
    x = 472,504.05

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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.