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Finding the Fourth Proportional to 574,246.60, 861,448.70 and 195,065.55

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Solution

The fourth proportional to 574,246.60, 861,448.70 and 195,065.55 is: 292,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,246.60 : 861,448.70 = 195,065.55 : x
  2. Step 2: Convert to fraction form
    574,246.60/861,448.70 = 195,065.55/x
  3. Step 3: Cross multiply
    574,246.60x = 861,448.70 × 195,065.55
  4. Step 4: Simplify right side
    574,246.60x = 168,038,964,949.95
  5. Step 5: Solve for x
    x = 168,038,964,949.95/574,246.60
  6. Step 6: Final answer
    x = 292,625.09

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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.