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Finding the Fourth Proportional to 649,507.32, 974,011.77 and 222,963.66

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Solution

The fourth proportional to 649,507.32, 974,011.77 and 222,963.66 is: 334,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,507.32 : 974,011.77 = 222,963.66 : x
  2. Step 2: Convert to fraction form
    649,507.32/974,011.77 = 222,963.66/x
  3. Step 3: Cross multiply
    649,507.32x = 974,011.77 × 222,963.66
  4. Step 4: Simplify right side
    649,507.32x = 217,169,229,122.28
  5. Step 5: Solve for x
    x = 217,169,229,122.28/649,507.32
  6. Step 6: Final answer
    x = 334,359.94

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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.