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Finding the Fourth Proportional to 484,548.60, 726,855.30 and 164,695.80

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Solution

The fourth proportional to 484,548.60, 726,855.30 and 164,695.80 is: 247,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,548.60 : 726,855.30 = 164,695.80 : x
  2. Step 2: Convert to fraction form
    484,548.60/726,855.30 = 164,695.80/x
  3. Step 3: Cross multiply
    484,548.60x = 726,855.30 × 164,695.80
  4. Step 4: Simplify right side
    484,548.60x = 119,710,015,117.74
  5. Step 5: Solve for x
    x = 119,710,015,117.74/484,548.60
  6. Step 6: Final answer
    x = 247,054.71

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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.