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Finding the Fourth Proportional to 723,991.92, 995,565.91 and 628,332.54

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Solution

The fourth proportional to 723,991.92, 995,565.91 and 628,332.54 is: 864,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,991.92 : 995,565.91 = 628,332.54 : x
  2. Step 2: Convert to fraction form
    723,991.92/995,565.91 = 628,332.54/x
  3. Step 3: Cross multiply
    723,991.92x = 995,565.91 × 628,332.54
  4. Step 4: Simplify right side
    723,991.92x = 625,546,460,208.88
  5. Step 5: Solve for x
    x = 625,546,460,208.88/723,991.92
  6. Step 6: Final answer
    x = 864,024.09

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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.