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Finding the Fourth Proportional to 333,375.11, 499,619.79 and 191,288.45

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Solution

The fourth proportional to 333,375.11, 499,619.79 and 191,288.45 is: 286,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,375.11 : 499,619.79 = 191,288.45 : x
  2. Step 2: Convert to fraction form
    333,375.11/499,619.79 = 191,288.45/x
  3. Step 3: Cross multiply
    333,375.11x = 499,619.79 × 191,288.45
  4. Step 4: Simplify right side
    333,375.11x = 95,571,495,218.43
  5. Step 5: Solve for x
    x = 95,571,495,218.43/333,375.11
  6. Step 6: Final answer
    x = 286,678.56

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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.