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Finding the Fourth Proportional to 490,801.46, 736,595.90 and 254,211.80

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Solution

The fourth proportional to 490,801.46, 736,595.90 and 254,211.80 is: 381,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,801.46 : 736,595.90 = 254,211.80 : x
  2. Step 2: Convert to fraction form
    490,801.46/736,595.90 = 254,211.80/x
  3. Step 3: Cross multiply
    490,801.46x = 736,595.90 × 254,211.80
  4. Step 4: Simplify right side
    490,801.46x = 187,251,364,657.58
  5. Step 5: Solve for x
    x = 187,251,364,657.58/490,801.46
  6. Step 6: Final answer
    x = 381,521.62

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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.