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Finding the Fourth Proportional to 624,845.84, 862,287.72 and 338,366.24

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Solution

The fourth proportional to 624,845.84, 862,287.72 and 338,366.24 is: 466,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,845.84 : 862,287.72 = 338,366.24 : x
  2. Step 2: Convert to fraction form
    624,845.84/862,287.72 = 338,366.24/x
  3. Step 3: Cross multiply
    624,845.84x = 862,287.72 × 338,366.24
  4. Step 4: Simplify right side
    624,845.84x = 291,769,053,614.57
  5. Step 5: Solve for x
    x = 291,769,053,614.57/624,845.84
  6. Step 6: Final answer
    x = 466,945.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.