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Finding the Fourth Proportional to 621,671.66, 932,507.48 and 200,947.54

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Solution

The fourth proportional to 621,671.66, 932,507.48 and 200,947.54 is: 301,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,671.66 : 932,507.48 = 200,947.54 : x
  2. Step 2: Convert to fraction form
    621,671.66/932,507.48 = 200,947.54/x
  3. Step 3: Cross multiply
    621,671.66x = 932,507.48 × 200,947.54
  4. Step 4: Simplify right side
    621,671.66x = 187,385,084,137.60
  5. Step 5: Solve for x
    x = 187,385,084,137.60/621,671.66
  6. Step 6: Final answer
    x = 301,421.31

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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.