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Finding the Fourth Proportional to 473,027.79, 708,925.61 and 192,216.75

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Solution

The fourth proportional to 473,027.79, 708,925.61 and 192,216.75 is: 288,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,027.79 : 708,925.61 = 192,216.75 : x
  2. Step 2: Convert to fraction form
    473,027.79/708,925.61 = 192,216.75/x
  3. Step 3: Cross multiply
    473,027.79x = 708,925.61 × 192,216.75
  4. Step 4: Simplify right side
    473,027.79x = 136,267,375,784.88
  5. Step 5: Solve for x
    x = 136,267,375,784.88/473,027.79
  6. Step 6: Final answer
    x = 288,074.78

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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.