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Finding the Fourth Proportional to 292,494.54, 438,807.42 and 92,821.44

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Solution

The fourth proportional to 292,494.54, 438,807.42 and 92,821.44 is: 139,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,494.54 : 438,807.42 = 92,821.44 : x
  2. Step 2: Convert to fraction form
    292,494.54/438,807.42 = 92,821.44/x
  3. Step 3: Cross multiply
    292,494.54x = 438,807.42 × 92,821.44
  4. Step 4: Simplify right side
    292,494.54x = 40,730,736,607.08
  5. Step 5: Solve for x
    x = 40,730,736,607.08/292,494.54
  6. Step 6: Final answer
    x = 139,252.98

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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.