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Finding the Fourth Proportional to 363,060.80, 508,810 and 363,060.80

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Solution

The fourth proportional to 363,060.80, 508,810 and 363,060.80 is: 508,810

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,060.80 : 508,810 = 363,060.80 : x
  2. Step 2: Convert to fraction form
    363,060.80/508,810 = 363,060.80/x
  3. Step 3: Cross multiply
    363,060.80x = 508,810 × 363,060.80
  4. Step 4: Simplify right side
    363,060.80x = 184,728,965,648
  5. Step 5: Solve for x
    x = 184,728,965,648/363,060.80
  6. Step 6: Final answer
    x = 508,810

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.