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Finding the Fourth Proportional to 504,343.80, 695,984.94 and 274,903.20

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Solution

The fourth proportional to 504,343.80, 695,984.94 and 274,903.20 is: 379,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,343.80 : 695,984.94 = 274,903.20 : x
  2. Step 2: Convert to fraction form
    504,343.80/695,984.94 = 274,903.20/x
  3. Step 3: Cross multiply
    504,343.80x = 695,984.94 × 274,903.20
  4. Step 4: Simplify right side
    504,343.80x = 191,328,487,157.81
  5. Step 5: Solve for x
    x = 191,328,487,157.81/504,343.80
  6. Step 6: Final answer
    x = 379,361.24

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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.