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Finding the Fourth Proportional to 605,844.80, 908,767.20 and 546,795.80

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Solution

The fourth proportional to 605,844.80, 908,767.20 and 546,795.80 is: 820,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,844.80 : 908,767.20 = 546,795.80 : x
  2. Step 2: Convert to fraction form
    605,844.80/908,767.20 = 546,795.80/x
  3. Step 3: Cross multiply
    605,844.80x = 908,767.20 × 546,795.80
  4. Step 4: Simplify right side
    605,844.80x = 496,910,088,137.76
  5. Step 5: Solve for x
    x = 496,910,088,137.76/605,844.80
  6. Step 6: Final answer
    x = 820,193.70

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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.