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Finding the Fourth Proportional to 331,031.96, 496,159.08 and 153,163.16

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Solution

The fourth proportional to 331,031.96, 496,159.08 and 153,163.16 is: 229,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,031.96 : 496,159.08 = 153,163.16 : x
  2. Step 2: Convert to fraction form
    331,031.96/496,159.08 = 153,163.16/x
  3. Step 3: Cross multiply
    331,031.96x = 496,159.08 × 153,163.16
  4. Step 4: Simplify right side
    331,031.96x = 75,993,292,555.49
  5. Step 5: Solve for x
    x = 75,993,292,555.49/331,031.96
  6. Step 6: Final answer
    x = 229,564.82

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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.