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Finding the Fourth Proportional to 636,686.56, 954,926.01 and 187,302.37

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Solution

The fourth proportional to 636,686.56, 954,926.01 and 187,302.37 is: 280,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,686.56 : 954,926.01 = 187,302.37 : x
  2. Step 2: Convert to fraction form
    636,686.56/954,926.01 = 187,302.37/x
  3. Step 3: Cross multiply
    636,686.56x = 954,926.01 × 187,302.37
  4. Step 4: Simplify right side
    636,686.56x = 178,859,904,847.64
  5. Step 5: Solve for x
    x = 178,859,904,847.64/636,686.56
  6. Step 6: Final answer
    x = 280,923.01

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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.