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Finding the Fourth Proportional to 472,103.53, 708,364.62 and 247,410.54

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Solution

The fourth proportional to 472,103.53, 708,364.62 and 247,410.54 is: 371,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,103.53 : 708,364.62 = 247,410.54 : x
  2. Step 2: Convert to fraction form
    472,103.53/708,364.62 = 247,410.54/x
  3. Step 3: Cross multiply
    472,103.53x = 708,364.62 × 247,410.54
  4. Step 4: Simplify right side
    472,103.53x = 175,256,873,151.10
  5. Step 5: Solve for x
    x = 175,256,873,151.10/472,103.53
  6. Step 6: Final answer
    x = 371,225.51

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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.