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Finding the Fourth Proportional to 503,190,808.80, 754,337,440.80 and 196,411,570.80

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Solution

The fourth proportional to 503,190,808.80, 754,337,440.80 and 196,411,570.80 is: 294,442,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,190,808.80 : 754,337,440.80 = 196,411,570.80 : x
  2. Step 2: Convert to fraction form
    503,190,808.80/754,337,440.80 = 196,411,570.80/x
  3. Step 3: Cross multiply
    503,190,808.80x = 754,337,440.80 × 196,411,570.80
  4. Step 4: Simplify right side
    503,190,808.80x = 148,160,601,660,780,000
  5. Step 5: Solve for x
    x = 148,160,601,660,780,000/503,190,808.80
  6. Step 6: Final answer
    x = 294,442,185.89

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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.