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Finding the Fourth Proportional to 558,312.96, 837,469.90 and 137,588.88

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Solution

The fourth proportional to 558,312.96, 837,469.90 and 137,588.88 is: 206,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,312.96 : 837,469.90 = 137,588.88 : x
  2. Step 2: Convert to fraction form
    558,312.96/837,469.90 = 137,588.88/x
  3. Step 3: Cross multiply
    558,312.96x = 837,469.90 × 137,588.88
  4. Step 4: Simplify right side
    558,312.96x = 115,226,545,574.71
  5. Step 5: Solve for x
    x = 115,226,545,574.71/558,312.96
  6. Step 6: Final answer
    x = 206,383.43

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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.