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Finding the Fourth Proportional to 624,857.84, 862,304.28 and 338,378.24

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Solution

The fourth proportional to 624,857.84, 862,304.28 and 338,378.24 is: 466,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,857.84 : 862,304.28 = 338,378.24 : x
  2. Step 2: Convert to fraction form
    624,857.84/862,304.28 = 338,378.24/x
  3. Step 3: Cross multiply
    624,857.84x = 862,304.28 × 338,378.24
  4. Step 4: Simplify right side
    624,857.84x = 291,785,004,610.87
  5. Step 5: Solve for x
    x = 291,785,004,610.87/624,857.84
  6. Step 6: Final answer
    x = 466,962.22

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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.