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Finding the Fourth Proportional to 496,708.80, 744,541.48 and 243,638.88

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Solution

The fourth proportional to 496,708.80, 744,541.48 and 243,638.88 is: 365,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,708.80 : 744,541.48 = 243,638.88 : x
  2. Step 2: Convert to fraction form
    496,708.80/744,541.48 = 243,638.88/x
  3. Step 3: Cross multiply
    496,708.80x = 744,541.48 × 243,638.88
  4. Step 4: Simplify right side
    496,708.80x = 181,399,252,300.74
  5. Step 5: Solve for x
    x = 181,399,252,300.74/496,708.80
  6. Step 6: Final answer
    x = 365,202.41

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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.