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Finding the Fourth Proportional to 302,391.26, 453,455.82 and 91,980.62

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Solution

The fourth proportional to 302,391.26, 453,455.82 and 91,980.62 is: 137,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,391.26 : 453,455.82 = 91,980.62 : x
  2. Step 2: Convert to fraction form
    302,391.26/453,455.82 = 91,980.62/x
  3. Step 3: Cross multiply
    302,391.26x = 453,455.82 × 91,980.62
  4. Step 4: Simplify right side
    302,391.26x = 41,709,147,466.21
  5. Step 5: Solve for x
    x = 41,709,147,466.21/302,391.26
  6. Step 6: Final answer
    x = 137,931.06

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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.