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Finding the Fourth Proportional to 496,423.17, 744,116.31 and 243,353.25

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Solution

The fourth proportional to 496,423.17, 744,116.31 and 243,353.25 is: 364,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,423.17 : 744,116.31 = 243,353.25 : x
  2. Step 2: Convert to fraction form
    496,423.17/744,116.31 = 243,353.25/x
  3. Step 3: Cross multiply
    496,423.17x = 744,116.31 × 243,353.25
  4. Step 4: Simplify right side
    496,423.17x = 181,083,122,416.51
  5. Step 5: Solve for x
    x = 181,083,122,416.51/496,423.17
  6. Step 6: Final answer
    x = 364,775.73

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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.