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Finding the Fourth Proportional to 539,363.34, 808,786.50 and 254,817.02

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Solution

The fourth proportional to 539,363.34, 808,786.50 and 254,817.02 is: 382,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,363.34 : 808,786.50 = 254,817.02 : x
  2. Step 2: Convert to fraction form
    539,363.34/808,786.50 = 254,817.02/x
  3. Step 3: Cross multiply
    539,363.34x = 808,786.50 × 254,817.02
  4. Step 4: Simplify right side
    539,363.34x = 206,092,565,746.23
  5. Step 5: Solve for x
    x = 206,092,565,746.23/539,363.34
  6. Step 6: Final answer
    x = 382,103.40

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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.