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Finding the Fourth Proportional to 724,016.96, 995,600.36 and 628,357.58

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Solution

The fourth proportional to 724,016.96, 995,600.36 and 628,357.58 is: 864,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,016.96 : 995,600.36 = 628,357.58 : x
  2. Step 2: Convert to fraction form
    724,016.96/995,600.36 = 628,357.58/x
  3. Step 3: Cross multiply
    724,016.96x = 995,600.36 × 628,357.58
  4. Step 4: Simplify right side
    724,016.96x = 625,593,032,856.73
  5. Step 5: Solve for x
    x = 625,593,032,856.73/724,016.96
  6. Step 6: Final answer
    x = 864,058.53

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Double scale
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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.