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Finding the Fourth Proportional to 550,055.18, 825,318.04 and 230,281.76

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Solution

The fourth proportional to 550,055.18, 825,318.04 and 230,281.76 is: 345,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,055.18 : 825,318.04 = 230,281.76 : x
  2. Step 2: Convert to fraction form
    550,055.18/825,318.04 = 230,281.76/x
  3. Step 3: Cross multiply
    550,055.18x = 825,318.04 × 230,281.76
  4. Step 4: Simplify right side
    550,055.18x = 190,055,690,810.95
  5. Step 5: Solve for x
    x = 190,055,690,810.95/550,055.18
  6. Step 6: Final answer
    x = 345,521.14

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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.