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Finding the Fourth Proportional to 359,486.67, 539,361.24 and 209,699.04

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Solution

The fourth proportional to 359,486.67, 539,361.24 and 209,699.04 is: 314,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,486.67 : 539,361.24 = 209,699.04 : x
  2. Step 2: Convert to fraction form
    359,486.67/539,361.24 = 209,699.04/x
  3. Step 3: Cross multiply
    359,486.67x = 539,361.24 × 209,699.04
  4. Step 4: Simplify right side
    359,486.67x = 113,103,534,241.21
  5. Step 5: Solve for x
    x = 113,103,534,241.21/359,486.67
  6. Step 6: Final answer
    x = 314,625.11

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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.