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Finding the Fourth Proportional to 663,498.51, 995,248.47 and 164,862.51

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Solution

The fourth proportional to 663,498.51, 995,248.47 and 164,862.51 is: 247,293.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,498.51 : 995,248.47 = 164,862.51 : x
  2. Step 2: Convert to fraction form
    663,498.51/995,248.47 = 164,862.51/x
  3. Step 3: Cross multiply
    663,498.51x = 995,248.47 × 164,862.51
  4. Step 4: Simplify right side
    663,498.51x = 164,079,160,837.86
  5. Step 5: Solve for x
    x = 164,079,160,837.86/663,498.51
  6. Step 6: Final answer
    x = 247,293.94

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Double scale
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Similar ratio
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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.