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Finding the Fourth Proportional to 536,163.40, 740,251.92 and 332,430.76

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Solution

The fourth proportional to 536,163.40, 740,251.92 and 332,430.76 is: 458,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,163.40 : 740,251.92 = 332,430.76 : x
  2. Step 2: Convert to fraction form
    536,163.40/740,251.92 = 332,430.76/x
  3. Step 3: Cross multiply
    536,163.40x = 740,251.92 × 332,430.76
  4. Step 4: Simplify right side
    536,163.40x = 246,082,508,357.06
  5. Step 5: Solve for x
    x = 246,082,508,357.06/536,163.40
  6. Step 6: Final answer
    x = 458,969.24

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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.