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Finding the Fourth Proportional to 352,649.40, 529,051.86 and 115,982.52

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Solution

The fourth proportional to 352,649.40, 529,051.86 and 115,982.52 is: 173,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,649.40 : 529,051.86 = 115,982.52 : x
  2. Step 2: Convert to fraction form
    352,649.40/529,051.86 = 115,982.52/x
  3. Step 3: Cross multiply
    352,649.40x = 529,051.86 × 115,982.52
  4. Step 4: Simplify right side
    352,649.40x = 61,360,767,933.49
  5. Step 5: Solve for x
    x = 61,360,767,933.49/352,649.40
  6. Step 6: Final answer
    x = 173,999.35

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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.