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Finding the Fourth Proportional to 1,337.86, 2,006.93 and 364.06

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Solution

The fourth proportional to 1,337.86, 2,006.93 and 364.06 is: 546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.86 : 2,006.93 = 364.06 : x
  2. Step 2: Convert to fraction form
    1,337.86/2,006.93 = 364.06/x
  3. Step 3: Cross multiply
    1,337.86x = 2,006.93 × 364.06
  4. Step 4: Simplify right side
    1,337.86x = 730,642.94
  5. Step 5: Solve for x
    x = 730,642.94/1,337.86
  6. Step 6: Final answer
    x = 546.13

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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.