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Finding the Fourth Proportional to 527,265.76, 790,563.42 and 447,331.27

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Solution

The fourth proportional to 527,265.76, 790,563.42 and 447,331.27 is: 670,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,265.76 : 790,563.42 = 447,331.27 : x
  2. Step 2: Convert to fraction form
    527,265.76/790,563.42 = 447,331.27/x
  3. Step 3: Cross multiply
    527,265.76x = 790,563.42 × 447,331.27
  4. Step 4: Simplify right side
    527,265.76x = 353,643,738,684.14
  5. Step 5: Solve for x
    x = 353,643,738,684.14/527,265.76
  6. Step 6: Final answer
    x = 670,712.50

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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.