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Finding the Fourth Proportional to 330,275.94, 455,783.16 and 179,372.94

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Solution

The fourth proportional to 330,275.94, 455,783.16 and 179,372.94 is: 247,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,275.94 : 455,783.16 = 179,372.94 : x
  2. Step 2: Convert to fraction form
    330,275.94/455,783.16 = 179,372.94/x
  3. Step 3: Cross multiply
    330,275.94x = 455,783.16 × 179,372.94
  4. Step 4: Simplify right side
    330,275.94x = 81,755,165,411.69
  5. Step 5: Solve for x
    x = 81,755,165,411.69/330,275.94
  6. Step 6: Final answer
    x = 247,535.94

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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.