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Finding the Fourth Proportional to 277,596.60, 416,332.56 and 127,692.92

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Solution

The fourth proportional to 277,596.60, 416,332.56 and 127,692.92 is: 191,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,596.60 : 416,332.56 = 127,692.92 : x
  2. Step 2: Convert to fraction form
    277,596.60/416,332.56 = 127,692.92/x
  3. Step 3: Cross multiply
    277,596.60x = 416,332.56 × 127,692.92
  4. Step 4: Simplify right side
    277,596.60x = 53,162,720,277.48
  5. Step 5: Solve for x
    x = 53,162,720,277.48/277,596.60
  6. Step 6: Final answer
    x = 191,510.70

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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.