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Finding the Fourth Proportional to 307,241.74, 458,248.82 and 301,924.90

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Solution

The fourth proportional to 307,241.74, 458,248.82 and 301,924.90 is: 450,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,241.74 : 458,248.82 = 301,924.90 : x
  2. Step 2: Convert to fraction form
    307,241.74/458,248.82 = 301,924.90/x
  3. Step 3: Cross multiply
    307,241.74x = 458,248.82 × 301,924.90
  4. Step 4: Simplify right side
    307,241.74x = 138,356,729,153.62
  5. Step 5: Solve for x
    x = 138,356,729,153.62/307,241.74
  6. Step 6: Final answer
    x = 450,318.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.