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Finding the Fourth Proportional to 546,055.90, 819,452.91 and 191,073.00

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Solution

The fourth proportional to 546,055.90, 819,452.91 and 191,073.00 is: 286,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,055.90 : 819,452.91 = 191,073.00 : x
  2. Step 2: Convert to fraction form
    546,055.90/819,452.91 = 191,073.00/x
  3. Step 3: Cross multiply
    546,055.90x = 819,452.91 × 191,073.00
  4. Step 4: Simplify right side
    546,055.90x = 156,575,320,819.80
  5. Step 5: Solve for x
    x = 156,575,320,819.80/546,055.90
  6. Step 6: Final answer
    x = 286,738.63

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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.