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Finding the Fourth Proportional to 609,358.16, 840,913.72 and 337,426.04

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Solution

The fourth proportional to 609,358.16, 840,913.72 and 337,426.04 is: 465,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,358.16 : 840,913.72 = 337,426.04 : x
  2. Step 2: Convert to fraction form
    609,358.16/840,913.72 = 337,426.04/x
  3. Step 3: Cross multiply
    609,358.16x = 840,913.72 × 337,426.04
  4. Step 4: Simplify right side
    609,358.16x = 283,746,180,629.57
  5. Step 5: Solve for x
    x = 283,746,180,629.57/609,358.16
  6. Step 6: Final answer
    x = 465,647.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.