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Finding the Fourth Proportional to 292,578.48, 438,822.90 and 92,872.98

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Solution

The fourth proportional to 292,578.48, 438,822.90 and 92,872.98 is: 139,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,578.48 : 438,822.90 = 92,872.98 : x
  2. Step 2: Convert to fraction form
    292,578.48/438,822.90 = 92,872.98/x
  3. Step 3: Cross multiply
    292,578.48x = 438,822.90 × 92,872.98
  4. Step 4: Simplify right side
    292,578.48x = 40,754,790,415.24
  5. Step 5: Solve for x
    x = 40,754,790,415.24/292,578.48
  6. Step 6: Final answer
    x = 139,295.24

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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.