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Finding the Fourth Proportional to 337,996.80, 467,337.60 and 296,006.40

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Solution

The fourth proportional to 337,996.80, 467,337.60 and 296,006.40 is: 409,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,996.80 : 467,337.60 = 296,006.40 : x
  2. Step 2: Convert to fraction form
    337,996.80/467,337.60 = 296,006.40/x
  3. Step 3: Cross multiply
    337,996.80x = 467,337.60 × 296,006.40
  4. Step 4: Simplify right side
    337,996.80x = 138,334,920,560.64
  5. Step 5: Solve for x
    x = 138,334,920,560.64/337,996.80
  6. Step 6: Final answer
    x = 409,278.79

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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.