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Finding the Fourth Proportional to 663,500.76, 995,251.86 and 164,864.76

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Solution

The fourth proportional to 663,500.76, 995,251.86 and 164,864.76 is: 247,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,500.76 : 995,251.86 = 164,864.76 : x
  2. Step 2: Convert to fraction form
    663,500.76/995,251.86 = 164,864.76/x
  3. Step 3: Cross multiply
    663,500.76x = 995,251.86 × 164,864.76
  4. Step 4: Simplify right side
    663,500.76x = 164,081,959,038.45
  5. Step 5: Solve for x
    x = 164,081,959,038.45/663,500.76
  6. Step 6: Final answer
    x = 247,297.32

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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.