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Finding the Fourth Proportional to 484,455, 726,708.42 and 152,056.92

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Solution

The fourth proportional to 484,455, 726,708.42 and 152,056.92 is: 228,093.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,455 : 726,708.42 = 152,056.92 : x
  2. Step 2: Convert to fraction form
    484,455/726,708.42 = 152,056.92/x
  3. Step 3: Cross multiply
    484,455x = 726,708.42 × 152,056.92
  4. Step 4: Simplify right side
    484,455x = 110,501,044,083.27
  5. Step 5: Solve for x
    x = 110,501,044,083.27/484,455
  6. Step 6: Final answer
    x = 228,093.52

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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.