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Finding the Fourth Proportional to 605,664.20, 907,718.70 and 464,724.20

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Solution

The fourth proportional to 605,664.20, 907,718.70 and 464,724.20 is: 696,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,664.20 : 907,718.70 = 464,724.20 : x
  2. Step 2: Convert to fraction form
    605,664.20/907,718.70 = 464,724.20/x
  3. Step 3: Cross multiply
    605,664.20x = 907,718.70 × 464,724.20
  4. Step 4: Simplify right side
    605,664.20x = 421,838,846,682.54
  5. Step 5: Solve for x
    x = 421,838,846,682.54/605,664.20
  6. Step 6: Final answer
    x = 696,489.65

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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.