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Finding the Fourth Proportional to 463,611.58, 695,517.28 and 143,757.02

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Solution

The fourth proportional to 463,611.58, 695,517.28 and 143,757.02 is: 215,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,611.58 : 695,517.28 = 143,757.02 : x
  2. Step 2: Convert to fraction form
    463,611.58/695,517.28 = 143,757.02/x
  3. Step 3: Cross multiply
    463,611.58x = 695,517.28 × 143,757.02
  4. Step 4: Simplify right side
    463,611.58x = 99,985,492,910.71
  5. Step 5: Solve for x
    x = 99,985,492,910.71/463,611.58
  6. Step 6: Final answer
    x = 215,666.51

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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.