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Finding the Fourth Proportional to 610,304.88, 842,220.60 and 338,371.92

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Solution

The fourth proportional to 610,304.88, 842,220.60 and 338,371.92 is: 466,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,304.88 : 842,220.60 = 338,371.92 : x
  2. Step 2: Convert to fraction form
    610,304.88/842,220.60 = 338,371.92/x
  3. Step 3: Cross multiply
    610,304.88x = 842,220.60 × 338,371.92
  4. Step 4: Simplify right side
    610,304.88x = 284,983,801,485.55
  5. Step 5: Solve for x
    x = 284,983,801,485.55/610,304.88
  6. Step 6: Final answer
    x = 466,953.18

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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.