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Finding the Fourth Proportional to 575,789.78, 863,315.04 and 239,062.84

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Solution

The fourth proportional to 575,789.78, 863,315.04 and 239,062.84 is: 358,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,789.78 : 863,315.04 = 239,062.84 : x
  2. Step 2: Convert to fraction form
    575,789.78/863,315.04 = 239,062.84/x
  3. Step 3: Cross multiply
    575,789.78x = 863,315.04 × 239,062.84
  4. Step 4: Simplify right side
    575,789.78x = 206,386,545,277.11
  5. Step 5: Solve for x
    x = 206,386,545,277.11/575,789.78
  6. Step 6: Final answer
    x = 358,440.79

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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.