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Finding the Fourth Proportional to 496,762.86, 744,557.58 and 212,370.24

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Solution

The fourth proportional to 496,762.86, 744,557.58 and 212,370.24 is: 318,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,762.86 : 744,557.58 = 212,370.24 : x
  2. Step 2: Convert to fraction form
    496,762.86/744,557.58 = 212,370.24/x
  3. Step 3: Cross multiply
    496,762.86x = 744,557.58 × 212,370.24
  4. Step 4: Simplify right side
    496,762.86x = 158,121,871,958.42
  5. Step 5: Solve for x
    x = 158,121,871,958.42/496,762.86
  6. Step 6: Final answer
    x = 318,304.54

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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.