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Finding the Fourth Proportional to 250,709.58, 376,090.65 and 73,217.07

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Solution

The fourth proportional to 250,709.58, 376,090.65 and 73,217.07 is: 109,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,709.58 : 376,090.65 = 73,217.07 : x
  2. Step 2: Convert to fraction form
    250,709.58/376,090.65 = 73,217.07/x
  3. Step 3: Cross multiply
    250,709.58x = 376,090.65 × 73,217.07
  4. Step 4: Simplify right side
    250,709.58x = 27,536,255,447.40
  5. Step 5: Solve for x
    x = 27,536,255,447.40/250,709.58
  6. Step 6: Final answer
    x = 109,833.28

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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.