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Finding the Fourth Proportional to 555,315.86, 832,973.83 and 134,591.74

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Solution

The fourth proportional to 555,315.86, 832,973.83 and 134,591.74 is: 201,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,315.86 : 832,973.83 = 134,591.74 : x
  2. Step 2: Convert to fraction form
    555,315.86/832,973.83 = 134,591.74/x
  3. Step 3: Cross multiply
    555,315.86x = 832,973.83 × 134,591.74
  4. Step 4: Simplify right side
    555,315.86x = 112,111,394,735.25
  5. Step 5: Solve for x
    x = 112,111,394,735.25/555,315.86
  6. Step 6: Final answer
    x = 201,887.61

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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.