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Finding the Fourth Proportional to 234,355.50, 352,531.08 and 212,433.59

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Solution

The fourth proportional to 234,355.50, 352,531.08 and 212,433.59 is: 319,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,355.50 : 352,531.08 = 212,433.59 : x
  2. Step 2: Convert to fraction form
    234,355.50/352,531.08 = 212,433.59/x
  3. Step 3: Cross multiply
    234,355.50x = 352,531.08 × 212,433.59
  4. Step 4: Simplify right side
    234,355.50x = 74,889,443,792.30
  5. Step 5: Solve for x
    x = 74,889,443,792.30/234,355.50
  6. Step 6: Final answer
    x = 319,554.88

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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.