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Finding the Fourth Proportional to 215,376.56, 323,064.77 and 57,600.92

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Solution

The fourth proportional to 215,376.56, 323,064.77 and 57,600.92 is: 86,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,376.56 : 323,064.77 = 57,600.92 : x
  2. Step 2: Convert to fraction form
    215,376.56/323,064.77 = 57,600.92/x
  3. Step 3: Cross multiply
    215,376.56x = 323,064.77 × 57,600.92
  4. Step 4: Simplify right side
    215,376.56x = 18,608,826,068.26
  5. Step 5: Solve for x
    x = 18,608,826,068.26/215,376.56
  6. Step 6: Final answer
    x = 86,401.35

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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.