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Finding the Fourth Proportional to 555,015.84, 832,523.80 and 134,291.71

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Solution

The fourth proportional to 555,015.84, 832,523.80 and 134,291.71 is: 201,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,015.84 : 832,523.80 = 134,291.71 : x
  2. Step 2: Convert to fraction form
    555,015.84/832,523.80 = 134,291.71/x
  3. Step 3: Cross multiply
    555,015.84x = 832,523.80 × 134,291.71
  4. Step 4: Simplify right side
    555,015.84x = 111,801,044,717.70
  5. Step 5: Solve for x
    x = 111,801,044,717.70/555,015.84
  6. Step 6: Final answer
    x = 201,437.57

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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.