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Finding the Fourth Proportional to 368,433.50, 552,650.08 and 165,792.74

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Solution

The fourth proportional to 368,433.50, 552,650.08 and 165,792.74 is: 248,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,433.50 : 552,650.08 = 165,792.74 : x
  2. Step 2: Convert to fraction form
    368,433.50/552,650.08 = 165,792.74/x
  3. Step 3: Cross multiply
    368,433.50x = 552,650.08 × 165,792.74
  4. Step 4: Simplify right side
    368,433.50x = 91,625,371,024.42
  5. Step 5: Solve for x
    x = 91,625,371,024.42/368,433.50
  6. Step 6: Final answer
    x = 248,689.03

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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.