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Finding the Fourth Proportional to 496,402.48, 744,345.84 and 243,572.32

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Solution

The fourth proportional to 496,402.48, 744,345.84 and 243,572.32 is: 365,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,402.48 : 744,345.84 = 243,572.32 : x
  2. Step 2: Convert to fraction form
    496,402.48/744,345.84 = 243,572.32/x
  3. Step 3: Cross multiply
    496,402.48x = 744,345.84 × 243,572.32
  4. Step 4: Simplify right side
    496,402.48x = 181,302,043,131.15
  5. Step 5: Solve for x
    x = 181,302,043,131.15/496,402.48
  6. Step 6: Final answer
    x = 365,231.94

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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.