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Finding the Fourth Proportional to 614,562.72, 848,104.02 and 356,499.48

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Solution

The fourth proportional to 614,562.72, 848,104.02 and 356,499.48 is: 491,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,562.72 : 848,104.02 = 356,499.48 : x
  2. Step 2: Convert to fraction form
    614,562.72/848,104.02 = 356,499.48/x
  3. Step 3: Cross multiply
    614,562.72x = 848,104.02 × 356,499.48
  4. Step 4: Simplify right side
    614,562.72x = 302,348,642,115.91
  5. Step 5: Solve for x
    x = 302,348,642,115.91/614,562.72
  6. Step 6: Final answer
    x = 491,973.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.