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Finding the Fourth Proportional to 330,008.14, 455,411.41 and 179,105.14

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Solution

The fourth proportional to 330,008.14, 455,411.41 and 179,105.14 is: 247,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,008.14 : 455,411.41 = 179,105.14 : x
  2. Step 2: Convert to fraction form
    330,008.14/455,411.41 = 179,105.14/x
  3. Step 3: Cross multiply
    330,008.14x = 455,411.41 × 179,105.14
  4. Step 4: Simplify right side
    330,008.14x = 81,566,522,068.59
  5. Step 5: Solve for x
    x = 81,566,522,068.59/330,008.14
  6. Step 6: Final answer
    x = 247,165.19

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1.5x scale

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.