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Finding the Fourth Proportional to 330,237, 455,727.06 and 179,334

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Solution

The fourth proportional to 330,237, 455,727.06 and 179,334 is: 247,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,237 : 455,727.06 = 179,334 : x
  2. Step 2: Convert to fraction form
    330,237/455,727.06 = 179,334/x
  3. Step 3: Cross multiply
    330,237x = 455,727.06 × 179,334
  4. Step 4: Simplify right side
    330,237x = 81,727,356,578.04
  5. Step 5: Solve for x
    x = 81,727,356,578.04/330,237
  6. Step 6: Final answer
    x = 247,480.92

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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.