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Finding the Fourth Proportional to 363,484.80, 544,060.80 and 284,169.60

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Solution

The fourth proportional to 363,484.80, 544,060.80 and 284,169.60 is: 425,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,484.80 : 544,060.80 = 284,169.60 : x
  2. Step 2: Convert to fraction form
    363,484.80/544,060.80 = 284,169.60/x
  3. Step 3: Cross multiply
    363,484.80x = 544,060.80 × 284,169.60
  4. Step 4: Simplify right side
    363,484.80x = 154,605,539,911.68
  5. Step 5: Solve for x
    x = 154,605,539,911.68/363,484.80
  6. Step 6: Final answer
    x = 425,342.52

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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.