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Finding the Fourth Proportional to 442,667,658.40, 662,938,605.60 and 237,744,008.80

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Solution

The fourth proportional to 442,667,658.40, 662,938,605.60 and 237,744,008.80 is: 356,045,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,667,658.40 : 662,938,605.60 = 237,744,008.80 : x
  2. Step 2: Convert to fraction form
    442,667,658.40/662,938,605.60 = 237,744,008.80/x
  3. Step 3: Cross multiply
    442,667,658.40x = 662,938,605.60 × 237,744,008.80
  4. Step 4: Simplify right side
    442,667,658.40x = 157,609,681,683,626,144
  5. Step 5: Solve for x
    x = 157,609,681,683,626,144/442,667,658.40
  6. Step 6: Final answer
    x = 356,045,169.99

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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.