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Finding the Fourth Proportional to 605,812.80, 908,646.30 and 250,789.80

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Solution

The fourth proportional to 605,812.80, 908,646.30 and 250,789.80 is: 376,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,812.80 : 908,646.30 = 250,789.80 : x
  2. Step 2: Convert to fraction form
    605,812.80/908,646.30 = 250,789.80/x
  3. Step 3: Cross multiply
    605,812.80x = 908,646.30 × 250,789.80
  4. Step 4: Simplify right side
    605,812.80x = 227,879,223,847.74
  5. Step 5: Solve for x
    x = 227,879,223,847.74/605,812.80
  6. Step 6: Final answer
    x = 376,154.52

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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.