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Finding the Fourth Proportional to 499,085.42, 749,016.34 and 348,346.44

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Solution

The fourth proportional to 499,085.42, 749,016.34 and 348,346.44 is: 522,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,085.42 : 749,016.34 = 348,346.44 : x
  2. Step 2: Convert to fraction form
    499,085.42/749,016.34 = 348,346.44/x
  3. Step 3: Cross multiply
    499,085.42x = 749,016.34 × 348,346.44
  4. Step 4: Simplify right side
    499,085.42x = 260,917,174,669.96
  5. Step 5: Solve for x
    x = 260,917,174,669.96/499,085.42
  6. Step 6: Final answer
    x = 522,790.62

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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.