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Finding the Fourth Proportional to 460,067.70, 690,396.58 and 223,281.30

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Solution

The fourth proportional to 460,067.70, 690,396.58 and 223,281.30 is: 335,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,067.70 : 690,396.58 = 223,281.30 : x
  2. Step 2: Convert to fraction form
    460,067.70/690,396.58 = 223,281.30/x
  3. Step 3: Cross multiply
    460,067.70x = 690,396.58 × 223,281.30
  4. Step 4: Simplify right side
    460,067.70x = 154,152,645,897.95
  5. Step 5: Solve for x
    x = 154,152,645,897.95/460,067.70
  6. Step 6: Final answer
    x = 335,065.13

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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.