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Finding the Fourth Proportional to 296,798,404.80, 445,197,607.20 and 220,270,900.80

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Solution

The fourth proportional to 296,798,404.80, 445,197,607.20 and 220,270,900.80 is: 330,406,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,798,404.80 : 445,197,607.20 = 220,270,900.80 : x
  2. Step 2: Convert to fraction form
    296,798,404.80/445,197,607.20 = 220,270,900.80/x
  3. Step 3: Cross multiply
    296,798,404.80x = 445,197,607.20 × 220,270,900.80
  4. Step 4: Simplify right side
    296,798,404.80x = 98,064,077,971,948,576
  5. Step 5: Solve for x
    x = 98,064,077,971,948,576/296,798,404.80
  6. Step 6: Final answer
    x = 330,406,351.20

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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.