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Finding the Fourth Proportional to 439,892.88, 606,677.76 and 296,464.56

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Solution

The fourth proportional to 439,892.88, 606,677.76 and 296,464.56 is: 408,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,892.88 : 606,677.76 = 296,464.56 : x
  2. Step 2: Convert to fraction form
    439,892.88/606,677.76 = 296,464.56/x
  3. Step 3: Cross multiply
    439,892.88x = 606,677.76 × 296,464.56
  4. Step 4: Simplify right side
    439,892.88x = 179,858,455,180.19
  5. Step 5: Solve for x
    x = 179,858,455,180.19/439,892.88
  6. Step 6: Final answer
    x = 408,868.76

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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.