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Finding the Fourth Proportional to 621,741.44, 932,354.88 and 195,134.72

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Solution

The fourth proportional to 621,741.44, 932,354.88 and 195,134.72 is: 292,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,741.44 : 932,354.88 = 195,134.72 : x
  2. Step 2: Convert to fraction form
    621,741.44/932,354.88 = 195,134.72/x
  3. Step 3: Cross multiply
    621,741.44x = 932,354.88 × 195,134.72
  4. Step 4: Simplify right side
    621,741.44x = 181,934,808,449.43
  5. Step 5: Solve for x
    x = 181,934,808,449.43/621,741.44
  6. Step 6: Final answer
    x = 292,621.33

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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.