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Finding the Fourth Proportional to 373,361.64, 559,817.22 and 148,756.80

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Solution

The fourth proportional to 373,361.64, 559,817.22 and 148,756.80 is: 223,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,361.64 : 559,817.22 = 148,756.80 : x
  2. Step 2: Convert to fraction form
    373,361.64/559,817.22 = 148,756.80/x
  3. Step 3: Cross multiply
    373,361.64x = 559,817.22 × 148,756.80
  4. Step 4: Simplify right side
    373,361.64x = 83,276,618,232.10
  5. Step 5: Solve for x
    x = 83,276,618,232.10/373,361.64
  6. Step 6: Final answer
    x = 223,045.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.