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Finding the Fourth Proportional to 292,569.36, 438,850.80 and 92,884.38

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Solution

The fourth proportional to 292,569.36, 438,850.80 and 92,884.38 is: 139,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,569.36 : 438,850.80 = 92,884.38 : x
  2. Step 2: Convert to fraction form
    292,569.36/438,850.80 = 92,884.38/x
  3. Step 3: Cross multiply
    292,569.36x = 438,850.80 × 92,884.38
  4. Step 4: Simplify right side
    292,569.36x = 40,762,384,470.50
  5. Step 5: Solve for x
    x = 40,762,384,470.50/292,569.36
  6. Step 6: Final answer
    x = 139,325.54

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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.