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Finding the Fourth Proportional to 624,724.24, 862,103.64 and 349,084.48

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Solution

The fourth proportional to 624,724.24, 862,103.64 and 349,084.48 is: 481,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,724.24 : 862,103.64 = 349,084.48 : x
  2. Step 2: Convert to fraction form
    624,724.24/862,103.64 = 349,084.48/x
  3. Step 3: Cross multiply
    624,724.24x = 862,103.64 × 349,084.48
  4. Step 4: Simplify right side
    624,724.24x = 300,947,000,875.51
  5. Step 5: Solve for x
    x = 300,947,000,875.51/624,724.24
  6. Step 6: Final answer
    x = 481,727.75

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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.