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Finding the Fourth Proportional to 555,312.26, 832,968.38 and 134,588.14

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Solution

The fourth proportional to 555,312.26, 832,968.38 and 134,588.14 is: 201,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,312.26 : 832,968.38 = 134,588.14 : x
  2. Step 2: Convert to fraction form
    555,312.26/832,968.38 = 134,588.14/x
  3. Step 3: Cross multiply
    555,312.26x = 832,968.38 × 134,588.14
  4. Step 4: Simplify right side
    555,312.26x = 112,107,664,943.01
  5. Step 5: Solve for x
    x = 112,107,664,943.01/555,312.26
  6. Step 6: Final answer
    x = 201,882.21

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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.