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Finding the Fourth Proportional to 535,469.85, 804,516.98 and 402,609.60

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Solution

The fourth proportional to 535,469.85, 804,516.98 and 402,609.60 is: 604,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,469.85 : 804,516.98 = 402,609.60 : x
  2. Step 2: Convert to fraction form
    535,469.85/804,516.98 = 402,609.60/x
  3. Step 3: Cross multiply
    535,469.85x = 804,516.98 × 402,609.60
  4. Step 4: Simplify right side
    535,469.85x = 323,906,257,497.96
  5. Step 5: Solve for x
    x = 323,906,257,497.96/535,469.85
  6. Step 6: Final answer
    x = 604,901.02

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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.