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Finding the Fourth Proportional to 352,859.26, 529,288.08 and 153,153.76

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Solution

The fourth proportional to 352,859.26, 529,288.08 and 153,153.76 is: 229,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,859.26 : 529,288.08 = 153,153.76 : x
  2. Step 2: Convert to fraction form
    352,859.26/529,288.08 = 153,153.76/x
  3. Step 3: Cross multiply
    352,859.26x = 529,288.08 × 153,153.76
  4. Step 4: Simplify right side
    352,859.26x = 81,062,459,575.18
  5. Step 5: Solve for x
    x = 81,062,459,575.18/352,859.26
  6. Step 6: Final answer
    x = 229,730.29

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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.