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Finding the Fourth Proportional to 337,907.28, 506,973.52 and 113,289.92

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Solution

The fourth proportional to 337,907.28, 506,973.52 and 113,289.92 is: 169,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,907.28 : 506,973.52 = 113,289.92 : x
  2. Step 2: Convert to fraction form
    337,907.28/506,973.52 = 113,289.92/x
  3. Step 3: Cross multiply
    337,907.28x = 506,973.52 × 113,289.92
  4. Step 4: Simplify right side
    337,907.28x = 57,434,989,522.92
  5. Step 5: Solve for x
    x = 57,434,989,522.92/337,907.28
  6. Step 6: Final answer
    x = 169,972.63

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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.