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Finding the Fourth Proportional to 352,893.59, 529,042.81 and 153,063.47

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Solution

The fourth proportional to 352,893.59, 529,042.81 and 153,063.47 is: 229,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,893.59 : 529,042.81 = 153,063.47 : x
  2. Step 2: Convert to fraction form
    352,893.59/529,042.81 = 153,063.47/x
  3. Step 3: Cross multiply
    352,893.59x = 529,042.81 × 153,063.47
  4. Step 4: Simplify right side
    352,893.59x = 80,977,128,277.15
  5. Step 5: Solve for x
    x = 80,977,128,277.15/352,893.59
  6. Step 6: Final answer
    x = 229,466.14

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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.