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Finding the Fourth Proportional to 297,043.66, 445,591.68 and 83,813.46

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Solution

The fourth proportional to 297,043.66, 445,591.68 and 83,813.46 is: 125,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,043.66 : 445,591.68 = 83,813.46 : x
  2. Step 2: Convert to fraction form
    297,043.66/445,591.68 = 83,813.46/x
  3. Step 3: Cross multiply
    297,043.66x = 445,591.68 × 83,813.46
  4. Step 4: Simplify right side
    297,043.66x = 37,346,580,448.01
  5. Step 5: Solve for x
    x = 37,346,580,448.01/297,043.66
  6. Step 6: Final answer
    x = 125,727.58

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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.