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Finding the Fourth Proportional to 330,008.08, 455,411.04 and 179,105.08

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Solution

The fourth proportional to 330,008.08, 455,411.04 and 179,105.08 is: 247,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,008.08 : 455,411.04 = 179,105.08 : x
  2. Step 2: Convert to fraction form
    330,008.08/455,411.04 = 179,105.08/x
  3. Step 3: Cross multiply
    330,008.08x = 455,411.04 × 179,105.08
  4. Step 4: Simplify right side
    330,008.08x = 81,566,430,752.08
  5. Step 5: Solve for x
    x = 81,566,430,752.08/330,008.08
  6. Step 6: Final answer
    x = 247,164.95

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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.