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Finding the Fourth Proportional to 404,334.90, 606,502.35 and 396,461.70

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Solution

The fourth proportional to 404,334.90, 606,502.35 and 396,461.70 is: 594,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,334.90 : 606,502.35 = 396,461.70 : x
  2. Step 2: Convert to fraction form
    404,334.90/606,502.35 = 396,461.70/x
  3. Step 3: Cross multiply
    404,334.90x = 606,502.35 × 396,461.70
  4. Step 4: Simplify right side
    404,334.90x = 240,454,952,735.00
  5. Step 5: Solve for x
    x = 240,454,952,735.00/404,334.90
  6. Step 6: Final answer
    x = 594,692.55

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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.