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Finding the Fourth Proportional to 496,563.96, 745,215.48 and 243,980.04

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Solution

The fourth proportional to 496,563.96, 745,215.48 and 243,980.04 is: 366,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,563.96 : 745,215.48 = 243,980.04 : x
  2. Step 2: Convert to fraction form
    496,563.96/745,215.48 = 243,980.04/x
  3. Step 3: Cross multiply
    496,563.96x = 745,215.48 × 243,980.04
  4. Step 4: Simplify right side
    496,563.96x = 181,817,702,619.02
  5. Step 5: Solve for x
    x = 181,817,702,619.02/496,563.96
  6. Step 6: Final answer
    x = 366,151.63

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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.