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Finding the Fourth Proportional to 322,452.36, 480,438.54 and 304,344

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Solution

The fourth proportional to 322,452.36, 480,438.54 and 304,344 is: 453,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,452.36 : 480,438.54 = 304,344 : x
  2. Step 2: Convert to fraction form
    322,452.36/480,438.54 = 304,344/x
  3. Step 3: Cross multiply
    322,452.36x = 480,438.54 × 304,344
  4. Step 4: Simplify right side
    322,452.36x = 146,218,587,017.76
  5. Step 5: Solve for x
    x = 146,218,587,017.76/322,452.36
  6. Step 6: Final answer
    x = 453,457.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.