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Finding the Fourth Proportional to 369,772.62, 510,285.99 and 200,006.74

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Solution

The fourth proportional to 369,772.62, 510,285.99 and 200,006.74 is: 276,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,772.62 : 510,285.99 = 200,006.74 : x
  2. Step 2: Convert to fraction form
    369,772.62/510,285.99 = 200,006.74/x
  3. Step 3: Cross multiply
    369,772.62x = 510,285.99 × 200,006.74
  4. Step 4: Simplify right side
    369,772.62x = 102,060,637,327.57
  5. Step 5: Solve for x
    x = 102,060,637,327.57/369,772.62
  6. Step 6: Final answer
    x = 276,009.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.