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Finding the Fourth Proportional to 655,761.68, 983,637.05 and 182,445.66

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Solution

The fourth proportional to 655,761.68, 983,637.05 and 182,445.66 is: 273,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,761.68 : 983,637.05 = 182,445.66 : x
  2. Step 2: Convert to fraction form
    655,761.68/983,637.05 = 182,445.66/x
  3. Step 3: Cross multiply
    655,761.68x = 983,637.05 × 182,445.66
  4. Step 4: Simplify right side
    655,761.68x = 179,460,309,875.48
  5. Step 5: Solve for x
    x = 179,460,309,875.48/655,761.68
  6. Step 6: Final answer
    x = 273,666.97

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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.