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Finding the Fourth Proportional to 302,658.40, 453,986.38 and 92,295.73

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Solution

The fourth proportional to 302,658.40, 453,986.38 and 92,295.73 is: 138,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,658.40 : 453,986.38 = 92,295.73 : x
  2. Step 2: Convert to fraction form
    302,658.40/453,986.38 = 92,295.73/x
  3. Step 3: Cross multiply
    302,658.40x = 453,986.38 × 92,295.73
  4. Step 4: Simplify right side
    302,658.40x = 41,901,004,352.16
  5. Step 5: Solve for x
    x = 41,901,004,352.16/302,658.40
  6. Step 6: Final answer
    x = 138,443.22

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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.