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Finding the Fourth Proportional to 351,704.52, 527,557.44 and 85,465.26

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Solution

The fourth proportional to 351,704.52, 527,557.44 and 85,465.26 is: 128,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,704.52 : 527,557.44 = 85,465.26 : x
  2. Step 2: Convert to fraction form
    351,704.52/527,557.44 = 85,465.26/x
  3. Step 3: Cross multiply
    351,704.52x = 527,557.44 × 85,465.26
  4. Step 4: Simplify right side
    351,704.52x = 45,087,833,774.53
  5. Step 5: Solve for x
    x = 45,087,833,774.53/351,704.52
  6. Step 6: Final answer
    x = 128,198.05

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1.5x scale

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.