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Finding the Fourth Proportional to 663,205.70, 994,808.55 and 164,569.70

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Solution

The fourth proportional to 663,205.70, 994,808.55 and 164,569.70 is: 246,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,205.70 : 994,808.55 = 164,569.70 : x
  2. Step 2: Convert to fraction form
    663,205.70/994,808.55 = 164,569.70/x
  3. Step 3: Cross multiply
    663,205.70x = 994,808.55 × 164,569.70
  4. Step 4: Simplify right side
    663,205.70x = 163,715,344,630.94
  5. Step 5: Solve for x
    x = 163,715,344,630.94/663,205.70
  6. Step 6: Final answer
    x = 246,854.55

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Similar ratio
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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.