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Finding the Fourth Proportional to 555,204.96, 832,682.88 and 255,397.68

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Solution

The fourth proportional to 555,204.96, 832,682.88 and 255,397.68 is: 383,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,204.96 : 832,682.88 = 255,397.68 : x
  2. Step 2: Convert to fraction form
    555,204.96/832,682.88 = 255,397.68/x
  3. Step 3: Cross multiply
    555,204.96x = 832,682.88 × 255,397.68
  4. Step 4: Simplify right side
    555,204.96x = 212,665,275,727.72
  5. Step 5: Solve for x
    x = 212,665,275,727.72/555,204.96
  6. Step 6: Final answer
    x = 383,039.22

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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.