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Finding the Fourth Proportional to 539,523.64, 744,542.66 and 297,806.27

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Solution

The fourth proportional to 539,523.64, 744,542.66 and 297,806.27 is: 410,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,523.64 : 744,542.66 = 297,806.27 : x
  2. Step 2: Convert to fraction form
    539,523.64/744,542.66 = 297,806.27/x
  3. Step 3: Cross multiply
    539,523.64x = 744,542.66 × 297,806.27
  4. Step 4: Simplify right side
    539,523.64x = 221,729,472,430.48
  5. Step 5: Solve for x
    x = 221,729,472,430.48/539,523.64
  6. Step 6: Final answer
    x = 410,972.67

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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.