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Finding the Fourth Proportional to 504,374.43, 696,026.34 and 274,929.75

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Solution

The fourth proportional to 504,374.43, 696,026.34 and 274,929.75 is: 379,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,374.43 : 696,026.34 = 274,929.75 : x
  2. Step 2: Convert to fraction form
    504,374.43/696,026.34 = 274,929.75/x
  3. Step 3: Cross multiply
    504,374.43x = 696,026.34 × 274,929.75
  4. Step 4: Simplify right side
    504,374.43x = 191,358,347,649.62
  5. Step 5: Solve for x
    x = 191,358,347,649.62/504,374.43
  6. Step 6: Final answer
    x = 379,397.40

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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.