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Finding the Fourth Proportional to 609,289.20, 840,760.71 and 337,347.16

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Solution

The fourth proportional to 609,289.20, 840,760.71 and 337,347.16 is: 465,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,289.20 : 840,760.71 = 337,347.16 : x
  2. Step 2: Convert to fraction form
    609,289.20/840,760.71 = 337,347.16/x
  3. Step 3: Cross multiply
    609,289.20x = 840,760.71 × 337,347.16
  4. Step 4: Simplify right side
    609,289.20x = 283,628,237,758.08
  5. Step 5: Solve for x
    x = 283,628,237,758.08/609,289.20
  6. Step 6: Final answer
    x = 465,506.75

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Similar ratio
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1.5x scale

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.