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Finding the Fourth Proportional to 352,893.48, 529,042.62 and 153,063.36

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Solution

The fourth proportional to 352,893.48, 529,042.62 and 153,063.36 is: 229,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,893.48 : 529,042.62 = 153,063.36 : x
  2. Step 2: Convert to fraction form
    352,893.48/529,042.62 = 153,063.36/x
  3. Step 3: Cross multiply
    352,893.48x = 529,042.62 × 153,063.36
  4. Step 4: Simplify right side
    352,893.48x = 80,977,041,000.40
  5. Step 5: Solve for x
    x = 80,977,041,000.40/352,893.48
  6. Step 6: Final answer
    x = 229,465.96

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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.