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Finding the Fourth Proportional to 539,083.80, 808,625.70 and 373,195.80

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Solution

The fourth proportional to 539,083.80, 808,625.70 and 373,195.80 is: 559,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,083.80 : 808,625.70 = 373,195.80 : x
  2. Step 2: Convert to fraction form
    539,083.80/808,625.70 = 373,195.80/x
  3. Step 3: Cross multiply
    539,083.80x = 808,625.70 × 373,195.80
  4. Step 4: Simplify right side
    539,083.80x = 301,775,715,012.06
  5. Step 5: Solve for x
    x = 301,775,715,012.06/539,083.80
  6. Step 6: Final answer
    x = 559,793.70

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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.