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Finding the Fourth Proportional to 591,611.40, 887,417.10 and 367,662.60

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Solution

The fourth proportional to 591,611.40, 887,417.10 and 367,662.60 is: 551,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,611.40 : 887,417.10 = 367,662.60 : x
  2. Step 2: Convert to fraction form
    591,611.40/887,417.10 = 367,662.60/x
  3. Step 3: Cross multiply
    591,611.40x = 887,417.10 × 367,662.60
  4. Step 4: Simplify right side
    591,611.40x = 326,270,078,270.46
  5. Step 5: Solve for x
    x = 326,270,078,270.46/591,611.40
  6. Step 6: Final answer
    x = 551,493.90

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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.