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Finding the Fourth Proportional to 331,329.66, 457,222.92 and 202,483.69

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Solution

The fourth proportional to 331,329.66, 457,222.92 and 202,483.69 is: 279,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,329.66 : 457,222.92 = 202,483.69 : x
  2. Step 2: Convert to fraction form
    331,329.66/457,222.92 = 202,483.69/x
  3. Step 3: Cross multiply
    331,329.66x = 457,222.92 × 202,483.69
  4. Step 4: Simplify right side
    331,329.66x = 92,580,182,344.91
  5. Step 5: Solve for x
    x = 92,580,182,344.91/331,329.66
  6. Step 6: Final answer
    x = 279,420.15

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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.