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Finding the Fourth Proportional to 555,317.86, 832,976.80 and 134,593.73

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Solution

The fourth proportional to 555,317.86, 832,976.80 and 134,593.73 is: 201,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,317.86 : 832,976.80 = 134,593.73 : x
  2. Step 2: Convert to fraction form
    555,317.86/832,976.80 = 134,593.73/x
  3. Step 3: Cross multiply
    555,317.86x = 832,976.80 × 134,593.73
  4. Step 4: Simplify right side
    555,317.86x = 112,113,455,924.94
  5. Step 5: Solve for x
    x = 112,113,455,924.94/555,317.86
  6. Step 6: Final answer
    x = 201,890.60

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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.