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Finding the Fourth Proportional to 337,076, 505,697.20 and 100,417.76

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Solution

The fourth proportional to 337,076, 505,697.20 and 100,417.76 is: 150,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,076 : 505,697.20 = 100,417.76 : x
  2. Step 2: Convert to fraction form
    337,076/505,697.20 = 100,417.76/x
  3. Step 3: Cross multiply
    337,076x = 505,697.20 × 100,417.76
  4. Step 4: Simplify right side
    337,076x = 50,780,980,062.27
  5. Step 5: Solve for x
    x = 50,780,980,062.27/337,076
  6. Step 6: Final answer
    x = 150,651.43

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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.