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Finding the Fourth Proportional to 605,816.80, 908,725.20 and 546,767.80

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Solution

The fourth proportional to 605,816.80, 908,725.20 and 546,767.80 is: 820,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,816.80 : 908,725.20 = 546,767.80 : x
  2. Step 2: Convert to fraction form
    605,816.80/908,725.20 = 546,767.80/x
  3. Step 3: Cross multiply
    605,816.80x = 908,725.20 × 546,767.80
  4. Step 4: Simplify right side
    605,816.80x = 496,861,678,408.56
  5. Step 5: Solve for x
    x = 496,861,678,408.56/605,816.80
  6. Step 6: Final answer
    x = 820,151.70

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Double scale
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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.