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Finding the Fourth Proportional to 527,998.52, 728,633.52 and 298,600.85

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Solution

The fourth proportional to 527,998.52, 728,633.52 and 298,600.85 is: 412,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,998.52 : 728,633.52 = 298,600.85 : x
  2. Step 2: Convert to fraction form
    527,998.52/728,633.52 = 298,600.85/x
  3. Step 3: Cross multiply
    527,998.52x = 728,633.52 × 298,600.85
  4. Step 4: Simplify right side
    527,998.52x = 217,570,584,767.32
  5. Step 5: Solve for x
    x = 217,570,584,767.32/527,998.52
  6. Step 6: Final answer
    x = 412,066.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.