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Finding the Fourth Proportional to 650,255.16, 897,365.88 and 392,131.92

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Solution

The fourth proportional to 650,255.16, 897,365.88 and 392,131.92 is: 541,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,255.16 : 897,365.88 = 392,131.92 : x
  2. Step 2: Convert to fraction form
    650,255.16/897,365.88 = 392,131.92/x
  3. Step 3: Cross multiply
    650,255.16x = 897,365.88 × 392,131.92
  4. Step 4: Simplify right side
    650,255.16x = 351,885,805,466.89
  5. Step 5: Solve for x
    x = 351,885,805,466.89/650,255.16
  6. Step 6: Final answer
    x = 541,150.35

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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.