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Finding the Fourth Proportional to 577,643.02, 866,147.28 and 178,172.89

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Solution

The fourth proportional to 577,643.02, 866,147.28 and 178,172.89 is: 267,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,643.02 : 866,147.28 = 178,172.89 : x
  2. Step 2: Convert to fraction form
    577,643.02/866,147.28 = 178,172.89/x
  3. Step 3: Cross multiply
    577,643.02x = 866,147.28 × 178,172.89
  4. Step 4: Simplify right side
    577,643.02x = 154,323,961,209.72
  5. Step 5: Solve for x
    x = 154,323,961,209.72/577,643.02
  6. Step 6: Final answer
    x = 267,161.48

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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.