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Finding the Fourth Proportional to 609,638.80, 914,458.20 and 597,974.80

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Solution

The fourth proportional to 609,638.80, 914,458.20 and 597,974.80 is: 896,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,638.80 : 914,458.20 = 597,974.80 : x
  2. Step 2: Convert to fraction form
    609,638.80/914,458.20 = 597,974.80/x
  3. Step 3: Cross multiply
    609,638.80x = 914,458.20 × 597,974.80
  4. Step 4: Simplify right side
    609,638.80x = 546,822,959,253.36
  5. Step 5: Solve for x
    x = 546,822,959,253.36/609,638.80
  6. Step 6: Final answer
    x = 896,962.20

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1.5x scale

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.