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Finding the Fourth Proportional to 555,179.16, 832,644.16 and 255,371.80

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Solution

The fourth proportional to 555,179.16, 832,644.16 and 255,371.80 is: 383,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,179.16 : 832,644.16 = 255,371.80 : x
  2. Step 2: Convert to fraction form
    555,179.16/832,644.16 = 255,371.80/x
  3. Step 3: Cross multiply
    555,179.16x = 832,644.16 × 255,371.80
  4. Step 4: Simplify right side
    555,179.16x = 212,633,837,898.69
  5. Step 5: Solve for x
    x = 212,633,837,898.69/555,179.16
  6. Step 6: Final answer
    x = 383,000.40

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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.