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Finding the Fourth Proportional to 609,272.28, 840,775.12 and 337,351.64

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Solution

The fourth proportional to 609,272.28, 840,775.12 and 337,351.64 is: 465,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,272.28 : 840,775.12 = 337,351.64 : x
  2. Step 2: Convert to fraction form
    609,272.28/840,775.12 = 337,351.64/x
  3. Step 3: Cross multiply
    609,272.28x = 840,775.12 × 337,351.64
  4. Step 4: Simplify right side
    609,272.28x = 283,636,865,603.20
  5. Step 5: Solve for x
    x = 283,636,865,603.20/609,272.28
  6. Step 6: Final answer
    x = 465,533.84

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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.