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Finding the Fourth Proportional to 352,240.56, 528,354.36 and 141,873.30

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Solution

The fourth proportional to 352,240.56, 528,354.36 and 141,873.30 is: 212,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,240.56 : 528,354.36 = 141,873.30 : x
  2. Step 2: Convert to fraction form
    352,240.56/528,354.36 = 141,873.30/x
  3. Step 3: Cross multiply
    352,240.56x = 528,354.36 × 141,873.30
  4. Step 4: Simplify right side
    352,240.56x = 74,959,376,622.59
  5. Step 5: Solve for x
    x = 74,959,376,622.59/352,240.56
  6. Step 6: Final answer
    x = 212,807.34

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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.