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Finding the Fourth Proportional to 504,297.81, 695,931.96 and 274,857.66

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Solution

The fourth proportional to 504,297.81, 695,931.96 and 274,857.66 is: 379,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,297.81 : 695,931.96 = 274,857.66 : x
  2. Step 2: Convert to fraction form
    504,297.81/695,931.96 = 274,857.66/x
  3. Step 3: Cross multiply
    504,297.81x = 695,931.96 × 274,857.66
  4. Step 4: Simplify right side
    504,297.81x = 191,282,230,044.81
  5. Step 5: Solve for x
    x = 191,282,230,044.81/504,297.81
  6. Step 6: Final answer
    x = 379,304.11

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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.