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Finding the Fourth Proportional to 744,113, 1,116,169.56 and 218,801

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Solution

The fourth proportional to 744,113, 1,116,169.56 and 218,801 is: 328,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,113 : 1,116,169.56 = 218,801 : x
  2. Step 2: Convert to fraction form
    744,113/1,116,169.56 = 218,801/x
  3. Step 3: Cross multiply
    744,113x = 1,116,169.56 × 218,801
  4. Step 4: Simplify right side
    744,113x = 244,219,015,897.56
  5. Step 5: Solve for x
    x = 244,219,015,897.56/744,113
  6. Step 6: Final answer
    x = 328,201.52

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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.