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Finding the Fourth Proportional to 484,510.70, 726,815.77 and 185,242.98

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Solution

The fourth proportional to 484,510.70, 726,815.77 and 185,242.98 is: 277,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,510.70 : 726,815.77 = 185,242.98 : x
  2. Step 2: Convert to fraction form
    484,510.70/726,815.77 = 185,242.98/x
  3. Step 3: Cross multiply
    484,510.70x = 726,815.77 × 185,242.98
  4. Step 4: Simplify right side
    484,510.70x = 134,637,521,408.25
  5. Step 5: Solve for x
    x = 134,637,521,408.25/484,510.70
  6. Step 6: Final answer
    x = 277,883.48

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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.