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Finding the Fourth Proportional to 433,062.90, 649,594.35 and 273,630.60

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Solution

The fourth proportional to 433,062.90, 649,594.35 and 273,630.60 is: 410,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,062.90 : 649,594.35 = 273,630.60 : x
  2. Step 2: Convert to fraction form
    433,062.90/649,594.35 = 273,630.60/x
  3. Step 3: Cross multiply
    433,062.90x = 649,594.35 × 273,630.60
  4. Step 4: Simplify right side
    433,062.90x = 177,748,891,747.11
  5. Step 5: Solve for x
    x = 177,748,891,747.11/433,062.90
  6. Step 6: Final answer
    x = 410,445.90

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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.