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Finding the Fourth Proportional to 352,536.98, 528,606.75 and 115,816.10

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Solution

The fourth proportional to 352,536.98, 528,606.75 and 115,816.10 is: 173,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,536.98 : 528,606.75 = 115,816.10 : x
  2. Step 2: Convert to fraction form
    352,536.98/528,606.75 = 115,816.10/x
  3. Step 3: Cross multiply
    352,536.98x = 528,606.75 × 115,816.10
  4. Step 4: Simplify right side
    352,536.98x = 61,221,172,218.68
  5. Step 5: Solve for x
    x = 61,221,172,218.68/352,536.98
  6. Step 6: Final answer
    x = 173,658.87

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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.