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Finding the Fourth Proportional to 617,715.87, 926,356.69 and 185,304.39

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Solution

The fourth proportional to 617,715.87, 926,356.69 and 185,304.39 is: 277,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,715.87 : 926,356.69 = 185,304.39 : x
  2. Step 2: Convert to fraction form
    617,715.87/926,356.69 = 185,304.39/x
  3. Step 3: Cross multiply
    617,715.87x = 926,356.69 × 185,304.39
  4. Step 4: Simplify right side
    617,715.87x = 171,657,961,362.87
  5. Step 5: Solve for x
    x = 171,657,961,362.87/617,715.87
  6. Step 6: Final answer
    x = 277,891.45

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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.