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Finding the Fourth Proportional to 331,655.24, 457,662.33 and 186,483.39

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Solution

The fourth proportional to 331,655.24, 457,662.33 and 186,483.39 is: 257,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,655.24 : 457,662.33 = 186,483.39 : x
  2. Step 2: Convert to fraction form
    331,655.24/457,662.33 = 186,483.39/x
  3. Step 3: Cross multiply
    331,655.24x = 457,662.33 × 186,483.39
  4. Step 4: Simplify right side
    331,655.24x = 85,346,422,773.70
  5. Step 5: Solve for x
    x = 85,346,422,773.70/331,655.24
  6. Step 6: Final answer
    x = 257,334.77

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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.