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Finding the Fourth Proportional to 269,576,941.40, 404,365,412.10 and 97,080,378.20

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Solution

The fourth proportional to 269,576,941.40, 404,365,412.10 and 97,080,378.20 is: 145,620,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,576,941.40 : 404,365,412.10 = 97,080,378.20 : x
  2. Step 2: Convert to fraction form
    269,576,941.40/404,365,412.10 = 97,080,378.20/x
  3. Step 3: Cross multiply
    269,576,941.40x = 404,365,412.10 × 97,080,378.20
  4. Step 4: Simplify right side
    269,576,941.40x = 39,255,947,137,666,856
  5. Step 5: Solve for x
    x = 39,255,947,137,666,856/269,576,941.40
  6. Step 6: Final answer
    x = 145,620,567.30

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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.