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Finding the Fourth Proportional to 559,529,542.80, 839,294,314.20 and 525,489,325.20

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Solution

The fourth proportional to 559,529,542.80, 839,294,314.20 and 525,489,325.20 is: 788,233,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,529,542.80 : 839,294,314.20 = 525,489,325.20 : x
  2. Step 2: Convert to fraction form
    559,529,542.80/839,294,314.20 = 525,489,325.20/x
  3. Step 3: Cross multiply
    559,529,542.80x = 839,294,314.20 × 525,489,325.20
  4. Step 4: Simplify right side
    559,529,542.80x = 441,040,202,813,154,816
  5. Step 5: Solve for x
    x = 441,040,202,813,154,816/559,529,542.80
  6. Step 6: Final answer
    x = 788,233,987.80

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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.