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Finding the Fourth Proportional to 605,734.20, 907,823.70 and 464,794.20

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Solution

The fourth proportional to 605,734.20, 907,823.70 and 464,794.20 is: 696,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,734.20 : 907,823.70 = 464,794.20 : x
  2. Step 2: Convert to fraction form
    605,734.20/907,823.70 = 464,794.20/x
  3. Step 3: Cross multiply
    605,734.20x = 907,823.70 × 464,794.20
  4. Step 4: Simplify right side
    605,734.20x = 421,951,190,382.54
  5. Step 5: Solve for x
    x = 421,951,190,382.54/605,734.20
  6. Step 6: Final answer
    x = 696,594.63

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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.