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Finding the Fourth Proportional to 613,576.98, 846,793.41 and 358,912.02

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Solution

The fourth proportional to 613,576.98, 846,793.41 and 358,912.02 is: 495,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,576.98 : 846,793.41 = 358,912.02 : x
  2. Step 2: Convert to fraction form
    613,576.98/846,793.41 = 358,912.02/x
  3. Step 3: Cross multiply
    613,576.98x = 846,793.41 × 358,912.02
  4. Step 4: Simplify right side
    613,576.98x = 303,924,333,305.79
  5. Step 5: Solve for x
    x = 303,924,333,305.79/613,576.98
  6. Step 6: Final answer
    x = 495,332.03

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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.