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Finding the Fourth Proportional to 636,675.93, 954,910.11 and 187,291.72

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Solution

The fourth proportional to 636,675.93, 954,910.11 and 187,291.72 is: 280,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,675.93 : 954,910.11 = 187,291.72 : x
  2. Step 2: Convert to fraction form
    636,675.93/954,910.11 = 187,291.72/x
  3. Step 3: Cross multiply
    636,675.93x = 954,910.11 × 187,291.72
  4. Step 4: Simplify right side
    636,675.93x = 178,846,756,010.83
  5. Step 5: Solve for x
    x = 178,846,756,010.83/636,675.93
  6. Step 6: Final answer
    x = 280,907.05

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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.