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Finding the Fourth Proportional to 314,484.39, 471,332.77 and 247,660.61

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Solution

The fourth proportional to 314,484.39, 471,332.77 and 247,660.61 is: 371,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,484.39 : 471,332.77 = 247,660.61 : x
  2. Step 2: Convert to fraction form
    314,484.39/471,332.77 = 247,660.61/x
  3. Step 3: Cross multiply
    314,484.39x = 471,332.77 × 247,660.61
  4. Step 4: Simplify right side
    314,484.39x = 116,730,558,355.37
  5. Step 5: Solve for x
    x = 116,730,558,355.37/314,484.39
  6. Step 6: Final answer
    x = 371,180.77

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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.