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Finding the Fourth Proportional to 504,740.18, 696,549.76 and 275,297.49

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Solution

The fourth proportional to 504,740.18, 696,549.76 and 275,297.49 is: 379,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,740.18 : 696,549.76 = 275,297.49 : x
  2. Step 2: Convert to fraction form
    504,740.18/696,549.76 = 275,297.49/x
  3. Step 3: Cross multiply
    504,740.18x = 696,549.76 × 275,297.49
  4. Step 4: Simplify right side
    504,740.18x = 191,758,399,899.86
  5. Step 5: Solve for x
    x = 191,758,399,899.86/504,740.18
  6. Step 6: Final answer
    x = 379,915.07

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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.