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Finding the Fourth Proportional to 650,510.12, 897,287.45 and 521,757.54

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Solution

The fourth proportional to 650,510.12, 897,287.45 and 521,757.54 is: 719,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,510.12 : 897,287.45 = 521,757.54 : x
  2. Step 2: Convert to fraction form
    650,510.12/897,287.45 = 521,757.54/x
  3. Step 3: Cross multiply
    650,510.12x = 897,287.45 × 521,757.54
  4. Step 4: Simplify right side
    650,510.12x = 468,166,489,976.09
  5. Step 5: Solve for x
    x = 468,166,489,976.09/650,510.12
  6. Step 6: Final answer
    x = 719,691.33

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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.