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Finding the Fourth Proportional to 484,377.84, 726,663.96 and 168,750

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Solution

The fourth proportional to 484,377.84, 726,663.96 and 168,750 is: 253,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,377.84 : 726,663.96 = 168,750 : x
  2. Step 2: Convert to fraction form
    484,377.84/726,663.96 = 168,750/x
  3. Step 3: Cross multiply
    484,377.84x = 726,663.96 × 168,750
  4. Step 4: Simplify right side
    484,377.84x = 122,624,543,250
  5. Step 5: Solve for x
    x = 122,624,543,250/484,377.84
  6. Step 6: Final answer
    x = 253,158.86

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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.