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Finding the Fourth Proportional to 384,289.98, 526,474.82 and 369,919.27

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Solution

The fourth proportional to 384,289.98, 526,474.82 and 369,919.27 is: 506,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,289.98 : 526,474.82 = 369,919.27 : x
  2. Step 2: Convert to fraction form
    384,289.98/526,474.82 = 369,919.27/x
  3. Step 3: Cross multiply
    384,289.98x = 526,474.82 × 369,919.27
  4. Step 4: Simplify right side
    384,289.98x = 194,753,181,087.78
  5. Step 5: Solve for x
    x = 194,753,181,087.78/384,289.98
  6. Step 6: Final answer
    x = 506,787.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.