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Finding the Fourth Proportional to 575,367.30, 863,049.74 and 154,643.18

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Solution

The fourth proportional to 575,367.30, 863,049.74 and 154,643.18 is: 231,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,367.30 : 863,049.74 = 154,643.18 : x
  2. Step 2: Convert to fraction form
    575,367.30/863,049.74 = 154,643.18/x
  3. Step 3: Cross multiply
    575,367.30x = 863,049.74 × 154,643.18
  4. Step 4: Simplify right side
    575,367.30x = 133,464,751,203.31
  5. Step 5: Solve for x
    x = 133,464,751,203.31/575,367.30
  6. Step 6: Final answer
    x = 231,964.44

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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.