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Finding the Fourth Proportional to 341,257.20, 511,885.80 and 322,825.20

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Solution

The fourth proportional to 341,257.20, 511,885.80 and 322,825.20 is: 484,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,257.20 : 511,885.80 = 322,825.20 : x
  2. Step 2: Convert to fraction form
    341,257.20/511,885.80 = 322,825.20/x
  3. Step 3: Cross multiply
    341,257.20x = 511,885.80 × 322,825.20
  4. Step 4: Simplify right side
    341,257.20x = 165,249,635,762.16
  5. Step 5: Solve for x
    x = 165,249,635,762.16/341,257.20
  6. Step 6: Final answer
    x = 484,237.80

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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.