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Finding the Fourth Proportional to 486,026.92, 729,040.38 and 153,577

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Solution

The fourth proportional to 486,026.92, 729,040.38 and 153,577 is: 230,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,026.92 : 729,040.38 = 153,577 : x
  2. Step 2: Convert to fraction form
    486,026.92/729,040.38 = 153,577/x
  3. Step 3: Cross multiply
    486,026.92x = 729,040.38 × 153,577
  4. Step 4: Simplify right side
    486,026.92x = 111,963,834,439.26
  5. Step 5: Solve for x
    x = 111,963,834,439.26/486,026.92
  6. Step 6: Final answer
    x = 230,365.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.