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Finding the Fourth Proportional to 555,195.16, 832,668.16 and 255,387.80

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Solution

The fourth proportional to 555,195.16, 832,668.16 and 255,387.80 is: 383,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,195.16 : 832,668.16 = 255,387.80 : x
  2. Step 2: Convert to fraction form
    555,195.16/832,668.16 = 255,387.80/x
  3. Step 3: Cross multiply
    555,195.16x = 832,668.16 × 255,387.80
  4. Step 4: Simplify right side
    555,195.16x = 212,653,289,512.45
  5. Step 5: Solve for x
    x = 212,653,289,512.45/555,195.16
  6. Step 6: Final answer
    x = 383,024.39

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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.