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Finding the Fourth Proportional to 703,745.51, 971,727.78 and 650,010.92

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Solution

The fourth proportional to 703,745.51, 971,727.78 and 650,010.92 is: 897,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,745.51 : 971,727.78 = 650,010.92 : x
  2. Step 2: Convert to fraction form
    703,745.51/971,727.78 = 650,010.92/x
  3. Step 3: Cross multiply
    703,745.51x = 971,727.78 × 650,010.92
  4. Step 4: Simplify right side
    703,745.51x = 631,633,663,408.72
  5. Step 5: Solve for x
    x = 631,633,663,408.72/703,745.51
  6. Step 6: Final answer
    x = 897,531.36

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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.