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Finding the Fourth Proportional to 544,140.19, 816,212.18 and 165,064.20

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Solution

The fourth proportional to 544,140.19, 816,212.18 and 165,064.20 is: 247,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,140.19 : 816,212.18 = 165,064.20 : x
  2. Step 2: Convert to fraction form
    544,140.19/816,212.18 = 165,064.20/x
  3. Step 3: Cross multiply
    544,140.19x = 816,212.18 × 165,064.20
  4. Step 4: Simplify right side
    544,140.19x = 134,727,410,521.96
  5. Step 5: Solve for x
    x = 134,727,410,521.96/544,140.19
  6. Step 6: Final answer
    x = 247,596.87

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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.