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Finding the Fourth Proportional to 574,211.80, 861,501.30 and 174,928.60

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Solution

The fourth proportional to 574,211.80, 861,501.30 and 174,928.60 is: 262,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,211.80 : 861,501.30 = 174,928.60 : x
  2. Step 2: Convert to fraction form
    574,211.80/861,501.30 = 174,928.60/x
  3. Step 3: Cross multiply
    574,211.80x = 861,501.30 × 174,928.60
  4. Step 4: Simplify right side
    574,211.80x = 150,701,216,307.18
  5. Step 5: Solve for x
    x = 150,701,216,307.18/574,211.80
  6. Step 6: Final answer
    x = 262,448.83

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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.