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Finding the Fourth Proportional to 483,811.80, 725,717.70 and 146,851.80

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Solution

The fourth proportional to 483,811.80, 725,717.70 and 146,851.80 is: 220,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,811.80 : 725,717.70 = 146,851.80 : x
  2. Step 2: Convert to fraction form
    483,811.80/725,717.70 = 146,851.80/x
  3. Step 3: Cross multiply
    483,811.80x = 725,717.70 × 146,851.80
  4. Step 4: Simplify right side
    483,811.80x = 106,572,950,536.86
  5. Step 5: Solve for x
    x = 106,572,950,536.86/483,811.80
  6. Step 6: Final answer
    x = 220,277.70

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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.