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Finding the Fourth Proportional to 504,402.85, 696,066.91 and 274,962.12

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Solution

The fourth proportional to 504,402.85, 696,066.91 and 274,962.12 is: 379,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,402.85 : 696,066.91 = 274,962.12 : x
  2. Step 2: Convert to fraction form
    504,402.85/696,066.91 = 274,962.12/x
  3. Step 3: Cross multiply
    504,402.85x = 696,066.91 × 274,962.12
  4. Step 4: Simplify right side
    504,402.85x = 191,392,033,235.45
  5. Step 5: Solve for x
    x = 191,392,033,235.45/504,402.85
  6. Step 6: Final answer
    x = 379,442.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.