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Finding the Fourth Proportional to 607,979.34, 838,996.85 and 332,324.80

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Solution

The fourth proportional to 607,979.34, 838,996.85 and 332,324.80 is: 458,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,979.34 : 838,996.85 = 332,324.80 : x
  2. Step 2: Convert to fraction form
    607,979.34/838,996.85 = 332,324.80/x
  3. Step 3: Cross multiply
    607,979.34x = 838,996.85 × 332,324.80
  4. Step 4: Simplify right side
    607,979.34x = 278,819,456,617.76
  5. Step 5: Solve for x
    x = 278,819,456,617.76/607,979.34
  6. Step 6: Final answer
    x = 458,600.22

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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.