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Finding the Fourth Proportional to 387,522.23, 581,394.51 and 162,767.07

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Solution

The fourth proportional to 387,522.23, 581,394.51 and 162,767.07 is: 244,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,522.23 : 581,394.51 = 162,767.07 : x
  2. Step 2: Convert to fraction form
    387,522.23/581,394.51 = 162,767.07/x
  3. Step 3: Cross multiply
    387,522.23x = 581,394.51 × 162,767.07
  4. Step 4: Simplify right side
    387,522.23x = 94,631,880,906.79
  5. Step 5: Solve for x
    x = 94,631,880,906.79/387,522.23
  6. Step 6: Final answer
    x = 244,197.30

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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.