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Finding the Fourth Proportional to 663,503.76, 995,256.36 and 164,867.76

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Solution

The fourth proportional to 663,503.76, 995,256.36 and 164,867.76 is: 247,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,503.76 : 995,256.36 = 164,867.76 : x
  2. Step 2: Convert to fraction form
    663,503.76/995,256.36 = 164,867.76/x
  3. Step 3: Cross multiply
    663,503.76x = 995,256.36 × 164,867.76
  4. Step 4: Simplify right side
    663,503.76x = 164,085,686,698.95
  5. Step 5: Solve for x
    x = 164,085,686,698.95/663,503.76
  6. Step 6: Final answer
    x = 247,301.82

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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.