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Finding the Fourth Proportional to 607,911.95, 838,921.29 and 332,275.49

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Solution

The fourth proportional to 607,911.95, 838,921.29 and 332,275.49 is: 458,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,911.95 : 838,921.29 = 332,275.49 : x
  2. Step 2: Convert to fraction form
    607,911.95/838,921.29 = 332,275.49/x
  3. Step 3: Cross multiply
    607,911.95x = 838,921.29 × 332,275.49
  4. Step 4: Simplify right side
    607,911.95x = 278,752,982,706.18
  5. Step 5: Solve for x
    x = 278,752,982,706.18/607,911.95
  6. Step 6: Final answer
    x = 458,541.71

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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.