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Finding the Fourth Proportional to 608,422.53, 911,990.24 and 229,179.18

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Solution

The fourth proportional to 608,422.53, 911,990.24 and 229,179.18 is: 343,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,422.53 : 911,990.24 = 229,179.18 : x
  2. Step 2: Convert to fraction form
    608,422.53/911,990.24 = 229,179.18/x
  3. Step 3: Cross multiply
    608,422.53x = 911,990.24 × 229,179.18
  4. Step 4: Simplify right side
    608,422.53x = 209,009,173,374.75
  5. Step 5: Solve for x
    x = 209,009,173,374.75/608,422.53
  6. Step 6: Final answer
    x = 343,526.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.