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Finding the Fourth Proportional to 555,312.87, 832,969.31 and 134,588.75

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Solution

The fourth proportional to 555,312.87, 832,969.31 and 134,588.75 is: 201,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,312.87 : 832,969.31 = 134,588.75 : x
  2. Step 2: Convert to fraction form
    555,312.87/832,969.31 = 134,588.75/x
  3. Step 3: Cross multiply
    555,312.87x = 832,969.31 × 134,588.75
  4. Step 4: Simplify right side
    555,312.87x = 112,108,298,221.26
  5. Step 5: Solve for x
    x = 112,108,298,221.26/555,312.87
  6. Step 6: Final answer
    x = 201,883.13

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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.