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Finding the Fourth Proportional to 692,003.80, 954,988.80 and 401,593.02

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Solution

The fourth proportional to 692,003.80, 954,988.80 and 401,593.02 is: 554,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,003.80 : 954,988.80 = 401,593.02 : x
  2. Step 2: Convert to fraction form
    692,003.80/954,988.80 = 401,593.02/x
  3. Step 3: Cross multiply
    692,003.80x = 954,988.80 × 401,593.02
  4. Step 4: Simplify right side
    692,003.80x = 383,516,836,258.18
  5. Step 5: Solve for x
    x = 383,516,836,258.18/692,003.80
  6. Step 6: Final answer
    x = 554,212.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.