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Finding the Fourth Proportional to 330,348.86, 455,869.24 and 179,442.62

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Solution

The fourth proportional to 330,348.86, 455,869.24 and 179,442.62 is: 247,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,348.86 : 455,869.24 = 179,442.62 : x
  2. Step 2: Convert to fraction form
    330,348.86/455,869.24 = 179,442.62/x
  3. Step 3: Cross multiply
    330,348.86x = 455,869.24 × 179,442.62
  4. Step 4: Simplify right side
    330,348.86x = 81,802,368,075.06
  5. Step 5: Solve for x
    x = 81,802,368,075.06/330,348.86
  6. Step 6: Final answer
    x = 247,624.19

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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.