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Finding the Fourth Proportional to 302,246.76, 453,353.73 and 91,868.30

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Solution

The fourth proportional to 302,246.76, 453,353.73 and 91,868.30 is: 137,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,246.76 : 453,353.73 = 91,868.30 : x
  2. Step 2: Convert to fraction form
    302,246.76/453,353.73 = 91,868.30/x
  3. Step 3: Cross multiply
    302,246.76x = 453,353.73 × 91,868.30
  4. Step 4: Simplify right side
    302,246.76x = 41,648,836,473.76
  5. Step 5: Solve for x
    x = 41,648,836,473.76/302,246.76
  6. Step 6: Final answer
    x = 137,797.46

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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.