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Finding the Fourth Proportional to 616,173.89, 924,370.11 and 279,200.93

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Solution

The fourth proportional to 616,173.89, 924,370.11 and 279,200.93 is: 418,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,173.89 : 924,370.11 = 279,200.93 : x
  2. Step 2: Convert to fraction form
    616,173.89/924,370.11 = 279,200.93/x
  3. Step 3: Cross multiply
    616,173.89x = 924,370.11 × 279,200.93
  4. Step 4: Simplify right side
    616,173.89x = 258,084,989,754.35
  5. Step 5: Solve for x
    x = 258,084,989,754.35/616,173.89
  6. Step 6: Final answer
    x = 418,850.91

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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.