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Finding the Fourth Proportional to 533,179.47, 735,787.56 and 291,463.05

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Solution

The fourth proportional to 533,179.47, 735,787.56 and 291,463.05 is: 402,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,179.47 : 735,787.56 = 291,463.05 : x
  2. Step 2: Convert to fraction form
    533,179.47/735,787.56 = 291,463.05/x
  3. Step 3: Cross multiply
    533,179.47x = 735,787.56 × 291,463.05
  4. Step 4: Simplify right side
    533,179.47x = 214,454,886,389.66
  5. Step 5: Solve for x
    x = 214,454,886,389.66/533,179.47
  6. Step 6: Final answer
    x = 402,218.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.