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Finding the Fourth Proportional to 650,122.88, 897,169.57 and 423,768.38

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Solution

The fourth proportional to 650,122.88, 897,169.57 and 423,768.38 is: 584,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,122.88 : 897,169.57 = 423,768.38 : x
  2. Step 2: Convert to fraction form
    650,122.88/897,169.57 = 423,768.38/x
  3. Step 3: Cross multiply
    650,122.88x = 897,169.57 × 423,768.38
  4. Step 4: Simplify right side
    650,122.88x = 380,192,089,718.93
  5. Step 5: Solve for x
    x = 380,192,089,718.93/650,122.88
  6. Step 6: Final answer
    x = 584,800.36

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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.