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Finding the Fourth Proportional to 330,884.91, 496,127.22 and 148,482.27

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Solution

The fourth proportional to 330,884.91, 496,127.22 and 148,482.27 is: 222,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,884.91 : 496,127.22 = 148,482.27 : x
  2. Step 2: Convert to fraction form
    330,884.91/496,127.22 = 148,482.27/x
  3. Step 3: Cross multiply
    330,884.91x = 496,127.22 × 148,482.27
  4. Step 4: Simplify right side
    330,884.91x = 73,666,095,834.39
  5. Step 5: Solve for x
    x = 73,666,095,834.39/330,884.91
  6. Step 6: Final answer
    x = 222,633.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.