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Finding the Fourth Proportional to 624,967.31, 862,217.06 and 462,015.09

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Solution

The fourth proportional to 624,967.31, 862,217.06 and 462,015.09 is: 637,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,967.31 : 862,217.06 = 462,015.09 : x
  2. Step 2: Convert to fraction form
    624,967.31/862,217.06 = 462,015.09/x
  3. Step 3: Cross multiply
    624,967.31x = 862,217.06 × 462,015.09
  4. Step 4: Simplify right side
    624,967.31x = 398,357,290,265.36
  5. Step 5: Solve for x
    x = 398,357,290,265.36/624,967.31
  6. Step 6: Final answer
    x = 637,405.00

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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.