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Finding the Fourth Proportional to 353,334.90, 487,557.80 and 238,862.56

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Solution

The fourth proportional to 353,334.90, 487,557.80 and 238,862.56 is: 329,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,334.90 : 487,557.80 = 238,862.56 : x
  2. Step 2: Convert to fraction form
    353,334.90/487,557.80 = 238,862.56/x
  3. Step 3: Cross multiply
    353,334.90x = 487,557.80 × 238,862.56
  4. Step 4: Simplify right side
    353,334.90x = 116,459,304,255.97
  5. Step 5: Solve for x
    x = 116,459,304,255.97/353,334.90
  6. Step 6: Final answer
    x = 329,600.34

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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.