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Finding the Fourth Proportional to 302,015.67, 453,026.22 and 91,653.60

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Solution

The fourth proportional to 302,015.67, 453,026.22 and 91,653.60 is: 137,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,015.67 : 453,026.22 = 91,653.60 : x
  2. Step 2: Convert to fraction form
    302,015.67/453,026.22 = 91,653.60/x
  3. Step 3: Cross multiply
    302,015.67x = 453,026.22 × 91,653.60
  4. Step 4: Simplify right side
    302,015.67x = 41,521,483,957.39
  5. Step 5: Solve for x
    x = 41,521,483,957.39/302,015.67
  6. Step 6: Final answer
    x = 137,481.22

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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.