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Finding the Fourth Proportional to 352,264, 528,285.08 and 115,551.68

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Solution

The fourth proportional to 352,264, 528,285.08 and 115,551.68 is: 173,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,264 : 528,285.08 = 115,551.68 : x
  2. Step 2: Convert to fraction form
    352,264/528,285.08 = 115,551.68/x
  3. Step 3: Cross multiply
    352,264x = 528,285.08 × 115,551.68
  4. Step 4: Simplify right side
    352,264x = 61,044,228,512.93
  5. Step 5: Solve for x
    x = 61,044,228,512.93/352,264
  6. Step 6: Final answer
    x = 173,291.14

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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.