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Finding the Fourth Proportional to 484,362.84, 726,699.93 and 147,468.69

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Solution

The fourth proportional to 484,362.84, 726,699.93 and 147,468.69 is: 221,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,362.84 : 726,699.93 = 147,468.69 : x
  2. Step 2: Convert to fraction form
    484,362.84/726,699.93 = 147,468.69/x
  3. Step 3: Cross multiply
    484,362.84x = 726,699.93 × 147,468.69
  4. Step 4: Simplify right side
    484,362.84x = 107,165,486,700.19
  5. Step 5: Solve for x
    x = 107,165,486,700.19/484,362.84
  6. Step 6: Final answer
    x = 221,250.43

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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.