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Finding the Fourth Proportional to 504,617.67, 696,389.21 and 275,187.51

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Solution

The fourth proportional to 504,617.67, 696,389.21 and 275,187.51 is: 379,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,617.67 : 696,389.21 = 275,187.51 : x
  2. Step 2: Convert to fraction form
    504,617.67/696,389.21 = 275,187.51/x
  3. Step 3: Cross multiply
    504,617.67x = 696,389.21 × 275,187.51
  4. Step 4: Simplify right side
    504,617.67x = 191,637,611,314.83
  5. Step 5: Solve for x
    x = 191,637,611,314.83/504,617.67
  6. Step 6: Final answer
    x = 379,767.94

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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.