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Finding the Fourth Proportional to 663,657.60, 995,559.30 and 243,024.60

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Solution

The fourth proportional to 663,657.60, 995,559.30 and 243,024.60 is: 364,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,657.60 : 995,559.30 = 243,024.60 : x
  2. Step 2: Convert to fraction form
    663,657.60/995,559.30 = 243,024.60/x
  3. Step 3: Cross multiply
    663,657.60x = 995,559.30 × 243,024.60
  4. Step 4: Simplify right side
    663,657.60x = 241,945,400,658.78
  5. Step 5: Solve for x
    x = 241,945,400,658.78/663,657.60
  6. Step 6: Final answer
    x = 364,563.60

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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.