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Finding the Fourth Proportional to 492,658.52, 738,633.13 and 302,726.48

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Solution

The fourth proportional to 492,658.52, 738,633.13 and 302,726.48 is: 453,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,658.52 : 738,633.13 = 302,726.48 : x
  2. Step 2: Convert to fraction form
    492,658.52/738,633.13 = 302,726.48/x
  3. Step 3: Cross multiply
    492,658.52x = 738,633.13 × 302,726.48
  4. Step 4: Simplify right side
    492,658.52x = 223,603,807,161.11
  5. Step 5: Solve for x
    x = 223,603,807,161.11/492,658.52
  6. Step 6: Final answer
    x = 453,871.80

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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.