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Finding the Fourth Proportional to 621,335.48, 932,005.66 and 189,057.26

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Solution

The fourth proportional to 621,335.48, 932,005.66 and 189,057.26 is: 283,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,335.48 : 932,005.66 = 189,057.26 : x
  2. Step 2: Convert to fraction form
    621,335.48/932,005.66 = 189,057.26/x
  3. Step 3: Cross multiply
    621,335.48x = 932,005.66 × 189,057.26
  4. Step 4: Simplify right side
    621,335.48x = 176,202,436,384.09
  5. Step 5: Solve for x
    x = 176,202,436,384.09/621,335.48
  6. Step 6: Final answer
    x = 283,586.63

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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.