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Finding the Fourth Proportional to 331,566.40, 497,296.80 and 109,950.40

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Solution

The fourth proportional to 331,566.40, 497,296.80 and 109,950.40 is: 164,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,566.40 : 497,296.80 = 109,950.40 : x
  2. Step 2: Convert to fraction form
    331,566.40/497,296.80 = 109,950.40/x
  3. Step 3: Cross multiply
    331,566.40x = 497,296.80 × 109,950.40
  4. Step 4: Simplify right side
    331,566.40x = 54,677,982,078.72
  5. Step 5: Solve for x
    x = 54,677,982,078.72/331,566.40
  6. Step 6: Final answer
    x = 164,908.09

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1.5x scale

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.