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Finding the Fourth Proportional to 526,898.88, 789,711.84 and 256,621.95

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Solution

The fourth proportional to 526,898.88, 789,711.84 and 256,621.95 is: 384,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,898.88 : 789,711.84 = 256,621.95 : x
  2. Step 2: Convert to fraction form
    526,898.88/789,711.84 = 256,621.95/x
  3. Step 3: Cross multiply
    526,898.88x = 789,711.84 × 256,621.95
  4. Step 4: Simplify right side
    526,898.88x = 202,657,392,318.89
  5. Step 5: Solve for x
    x = 202,657,392,318.89/526,898.88
  6. Step 6: Final answer
    x = 384,622.93

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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.