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Finding the Fourth Proportional to 663,600.51, 995,400.50 and 164,964.51

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Solution

The fourth proportional to 663,600.51, 995,400.50 and 164,964.51 is: 247,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,600.51 : 995,400.50 = 164,964.51 : x
  2. Step 2: Convert to fraction form
    663,600.51/995,400.50 = 164,964.51/x
  3. Step 3: Cross multiply
    663,600.51x = 995,400.50 × 164,964.51
  4. Step 4: Simplify right side
    663,600.51x = 164,205,754,911.43
  5. Step 5: Solve for x
    x = 164,205,754,911.43/663,600.51
  6. Step 6: Final answer
    x = 247,446.70

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Double scale
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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.