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Finding the Fourth Proportional to 352,881.62, 529,024.85 and 153,051.48

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Solution

The fourth proportional to 352,881.62, 529,024.85 and 153,051.48 is: 229,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,881.62 : 529,024.85 = 153,051.48 : x
  2. Step 2: Convert to fraction form
    352,881.62/529,024.85 = 153,051.48/x
  3. Step 3: Cross multiply
    352,881.62x = 529,024.85 × 153,051.48
  4. Step 4: Simplify right side
    352,881.62x = 80,968,036,249.28
  5. Step 5: Solve for x
    x = 80,968,036,249.28/352,881.62
  6. Step 6: Final answer
    x = 229,448.15

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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.