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Finding the Fourth Proportional to 527,801.99, 791,707.31 and 345,586.43

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Solution

The fourth proportional to 527,801.99, 791,707.31 and 345,586.43 is: 518,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,801.99 : 791,707.31 = 345,586.43 : x
  2. Step 2: Convert to fraction form
    527,801.99/791,707.31 = 345,586.43/x
  3. Step 3: Cross multiply
    527,801.99x = 791,707.31 × 345,586.43
  4. Step 4: Simplify right side
    527,801.99x = 273,603,302,867.80
  5. Step 5: Solve for x
    x = 273,603,302,867.80/527,801.99
  6. Step 6: Final answer
    x = 518,382.48

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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.