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Finding the Fourth Proportional to 586,248.63, 879,388.09 and 159,787.95

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Solution

The fourth proportional to 586,248.63, 879,388.09 and 159,787.95 is: 239,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,248.63 : 879,388.09 = 159,787.95 : x
  2. Step 2: Convert to fraction form
    586,248.63/879,388.09 = 159,787.95/x
  3. Step 3: Cross multiply
    586,248.63x = 879,388.09 × 159,787.95
  4. Step 4: Simplify right side
    586,248.63x = 140,515,619,356.58
  5. Step 5: Solve for x
    x = 140,515,619,356.58/586,248.63
  6. Step 6: Final answer
    x = 239,686.05

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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.