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Finding the Fourth Proportional to 352,046.40, 528,147.36 and 174,649.92

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Solution

The fourth proportional to 352,046.40, 528,147.36 and 174,649.92 is: 262,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,046.40 : 528,147.36 = 174,649.92 : x
  2. Step 2: Convert to fraction form
    352,046.40/528,147.36 = 174,649.92/x
  3. Step 3: Cross multiply
    352,046.40x = 528,147.36 × 174,649.92
  4. Step 4: Simplify right side
    352,046.40x = 92,240,894,172.21
  5. Step 5: Solve for x
    x = 92,240,894,172.21/352,046.40
  6. Step 6: Final answer
    x = 262,013.46

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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.