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Finding the Fourth Proportional to 458,529.40, 687,794.10 and 403,233.40

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Solution

The fourth proportional to 458,529.40, 687,794.10 and 403,233.40 is: 604,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,529.40 : 687,794.10 = 403,233.40 : x
  2. Step 2: Convert to fraction form
    458,529.40/687,794.10 = 403,233.40/x
  3. Step 3: Cross multiply
    458,529.40x = 687,794.10 × 403,233.40
  4. Step 4: Simplify right side
    458,529.40x = 277,341,553,442.94
  5. Step 5: Solve for x
    x = 277,341,553,442.94/458,529.40
  6. Step 6: Final answer
    x = 604,850.10

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Similar ratio
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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.