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Finding the Fourth Proportional to 403,757.40, 604,469.70 and 246,293.40

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Solution

The fourth proportional to 403,757.40, 604,469.70 and 246,293.40 is: 368,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,757.40 : 604,469.70 = 246,293.40 : x
  2. Step 2: Convert to fraction form
    403,757.40/604,469.70 = 246,293.40/x
  3. Step 3: Cross multiply
    403,757.40x = 604,469.70 × 246,293.40
  4. Step 4: Simplify right side
    403,757.40x = 148,876,897,609.98
  5. Step 5: Solve for x
    x = 148,876,897,609.98/403,757.40
  6. Step 6: Final answer
    x = 368,728.59

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1.5x scale

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.