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Finding the Fourth Proportional to 292,658.40, 438,941.84 and 92,952.52

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Solution

The fourth proportional to 292,658.40, 438,941.84 and 92,952.52 is: 139,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,658.40 : 438,941.84 = 92,952.52 : x
  2. Step 2: Convert to fraction form
    292,658.40/438,941.84 = 92,952.52/x
  3. Step 3: Cross multiply
    292,658.40x = 438,941.84 × 92,952.52
  4. Step 4: Simplify right side
    292,658.40x = 40,800,750,161.44
  5. Step 5: Solve for x
    x = 40,800,750,161.44/292,658.40
  6. Step 6: Final answer
    x = 139,414.25

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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.