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Finding the Fourth Proportional to 624,871.04, 862,322.06 and 338,391.12

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Solution

The fourth proportional to 624,871.04, 862,322.06 and 338,391.12 is: 466,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,871.04 : 862,322.06 = 338,391.12 : x
  2. Step 2: Convert to fraction form
    624,871.04/862,322.06 = 338,391.12/x
  3. Step 3: Cross multiply
    624,871.04x = 862,322.06 × 338,391.12
  4. Step 4: Simplify right side
    624,871.04x = 291,802,127,684.11
  5. Step 5: Solve for x
    x = 291,802,127,684.11/624,871.04
  6. Step 6: Final answer
    x = 466,979.76

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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.