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Finding the Fourth Proportional to 441,002.40, 661,503.60 and 403,677.60

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Solution

The fourth proportional to 441,002.40, 661,503.60 and 403,677.60 is: 605,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,002.40 : 661,503.60 = 403,677.60 : x
  2. Step 2: Convert to fraction form
    441,002.40/661,503.60 = 403,677.60/x
  3. Step 3: Cross multiply
    441,002.40x = 661,503.60 × 403,677.60
  4. Step 4: Simplify right side
    441,002.40x = 267,034,185,639.36
  5. Step 5: Solve for x
    x = 267,034,185,639.36/441,002.40
  6. Step 6: Final answer
    x = 605,516.40

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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.