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Finding the Fourth Proportional to 575,787.78, 863,312.04 and 239,060.84

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Solution

The fourth proportional to 575,787.78, 863,312.04 and 239,060.84 is: 358,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,787.78 : 863,312.04 = 239,060.84 : x
  2. Step 2: Convert to fraction form
    575,787.78/863,312.04 = 239,060.84/x
  3. Step 3: Cross multiply
    575,787.78x = 863,312.04 × 239,060.84
  4. Step 4: Simplify right side
    575,787.78x = 206,384,097,147.95
  5. Step 5: Solve for x
    x = 206,384,097,147.95/575,787.78
  6. Step 6: Final answer
    x = 358,437.79

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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.