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Finding the Fourth Proportional to 464,846.39, 697,177.77 and 127,800.12

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Solution

The fourth proportional to 464,846.39, 697,177.77 and 127,800.12 is: 191,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,846.39 : 697,177.77 = 127,800.12 : x
  2. Step 2: Convert to fraction form
    464,846.39/697,177.77 = 127,800.12/x
  3. Step 3: Cross multiply
    464,846.39x = 697,177.77 × 127,800.12
  4. Step 4: Simplify right side
    464,846.39x = 89,099,402,667.33
  5. Step 5: Solve for x
    x = 89,099,402,667.33/464,846.39
  6. Step 6: Final answer
    x = 191,674.94

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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.