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Finding the Fourth Proportional to 510,778.92, 766,045.08 and 226,312.20

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Solution

The fourth proportional to 510,778.92, 766,045.08 and 226,312.20 is: 339,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,778.92 : 766,045.08 = 226,312.20 : x
  2. Step 2: Convert to fraction form
    510,778.92/766,045.08 = 226,312.20/x
  3. Step 3: Cross multiply
    510,778.92x = 766,045.08 × 226,312.20
  4. Step 4: Simplify right side
    510,778.92x = 173,365,347,353.98
  5. Step 5: Solve for x
    x = 173,365,347,353.98/510,778.92
  6. Step 6: Final answer
    x = 339,413.67

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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.