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Finding the Fourth Proportional to 269,424,624.40, 404,136,936.60 and 242,161,701.10

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Solution

The fourth proportional to 269,424,624.40, 404,136,936.60 and 242,161,701.10 is: 363,242,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,424,624.40 : 404,136,936.60 = 242,161,701.10 : x
  2. Step 2: Convert to fraction form
    269,424,624.40/404,136,936.60 = 242,161,701.10/x
  3. Step 3: Cross multiply
    269,424,624.40x = 404,136,936.60 × 242,161,701.10
  4. Step 4: Simplify right side
    269,424,624.40x = 97,866,488,044,398,848
  5. Step 5: Solve for x
    x = 97,866,488,044,398,848/269,424,624.40
  6. Step 6: Final answer
    x = 363,242,551.65

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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.