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Finding the Fourth Proportional to 527,840.92, 728,757.30 and 346,873.96

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Solution

The fourth proportional to 527,840.92, 728,757.30 and 346,873.96 is: 478,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,840.92 : 728,757.30 = 346,873.96 : x
  2. Step 2: Convert to fraction form
    527,840.92/728,757.30 = 346,873.96/x
  3. Step 3: Cross multiply
    527,840.92x = 728,757.30 × 346,873.96
  4. Step 4: Simplify right side
    527,840.92x = 252,786,930,529.91
  5. Step 5: Solve for x
    x = 252,786,930,529.91/527,840.92
  6. Step 6: Final answer
    x = 478,907.42

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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.