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Finding the Fourth Proportional to 484,440.62, 726,416.71 and 147,416.63

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Solution

The fourth proportional to 484,440.62, 726,416.71 and 147,416.63 is: 221,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,440.62 : 726,416.71 = 147,416.63 : x
  2. Step 2: Convert to fraction form
    484,440.62/726,416.71 = 147,416.63/x
  3. Step 3: Cross multiply
    484,440.62x = 726,416.71 × 147,416.63
  4. Step 4: Simplify right side
    484,440.62x = 107,085,903,363.89
  5. Step 5: Solve for x
    x = 107,085,903,363.89/484,440.62
  6. Step 6: Final answer
    x = 221,050.63

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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.