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Finding the Fourth Proportional to 352,878.14, 529,019.64 and 153,048

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Solution

The fourth proportional to 352,878.14, 529,019.64 and 153,048 is: 229,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,878.14 : 529,019.64 = 153,048 : x
  2. Step 2: Convert to fraction form
    352,878.14/529,019.64 = 153,048/x
  3. Step 3: Cross multiply
    352,878.14x = 529,019.64 × 153,048
  4. Step 4: Simplify right side
    352,878.14x = 80,965,397,862.72
  5. Step 5: Solve for x
    x = 80,965,397,862.72/352,878.14
  6. Step 6: Final answer
    x = 229,442.94

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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.