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Finding the Fourth Proportional to 558,073.35, 837,020.43 and 153,171

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Solution

The fourth proportional to 558,073.35, 837,020.43 and 153,171 is: 229,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,073.35 : 837,020.43 = 153,171 : x
  2. Step 2: Convert to fraction form
    558,073.35/837,020.43 = 153,171/x
  3. Step 3: Cross multiply
    558,073.35x = 837,020.43 × 153,171
  4. Step 4: Simplify right side
    558,073.35x = 128,207,256,283.53
  5. Step 5: Solve for x
    x = 128,207,256,283.53/558,073.35
  6. Step 6: Final answer
    x = 229,731.91

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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.