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Finding the Fourth Proportional to 448,804.52, 619,350.20 and 247,600.52

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Solution

The fourth proportional to 448,804.52, 619,350.20 and 247,600.52 is: 341,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,804.52 : 619,350.20 = 247,600.52 : x
  2. Step 2: Convert to fraction form
    448,804.52/619,350.20 = 247,600.52/x
  3. Step 3: Cross multiply
    448,804.52x = 619,350.20 × 247,600.52
  4. Step 4: Simplify right side
    448,804.52x = 153,351,431,582.10
  5. Step 5: Solve for x
    x = 153,351,431,582.10/448,804.52
  6. Step 6: Final answer
    x = 341,688.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.