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Finding the Fourth Proportional to 456,841.91, 685,026.24 and 243,552.51

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Solution

The fourth proportional to 456,841.91, 685,026.24 and 243,552.51 is: 365,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,841.91 : 685,026.24 = 243,552.51 : x
  2. Step 2: Convert to fraction form
    456,841.91/685,026.24 = 243,552.51/x
  3. Step 3: Cross multiply
    456,841.91x = 685,026.24 × 243,552.51
  4. Step 4: Simplify right side
    456,841.91x = 166,839,860,167.86
  5. Step 5: Solve for x
    x = 166,839,860,167.86/456,841.91
  6. Step 6: Final answer
    x = 365,202.62

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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.