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Finding the Fourth Proportional to 472,103.37, 708,364.34 and 247,410.38

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Solution

The fourth proportional to 472,103.37, 708,364.34 and 247,410.38 is: 371,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,103.37 : 708,364.34 = 247,410.38 : x
  2. Step 2: Convert to fraction form
    472,103.37/708,364.34 = 247,410.38/x
  3. Step 3: Cross multiply
    472,103.37x = 708,364.34 × 247,410.38
  4. Step 4: Simplify right side
    472,103.37x = 175,256,691,999.50
  5. Step 5: Solve for x
    x = 175,256,691,999.50/472,103.37
  6. Step 6: Final answer
    x = 371,225.25

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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.