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Finding the Fourth Proportional to 371,701.88, 557,550.99 and 105,462.89

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Solution

The fourth proportional to 371,701.88, 557,550.99 and 105,462.89 is: 158,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,701.88 : 557,550.99 = 105,462.89 : x
  2. Step 2: Convert to fraction form
    371,701.88/557,550.99 = 105,462.89/x
  3. Step 3: Cross multiply
    371,701.88x = 557,550.99 × 105,462.89
  4. Step 4: Simplify right side
    371,701.88x = 58,800,935,940.01
  5. Step 5: Solve for x
    x = 58,800,935,940.01/371,701.88
  6. Step 6: Final answer
    x = 158,193.81

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1.5x scale

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.