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Finding the Fourth Proportional to 473,494,252.60, 710,241,378.90 and 388,463,692.60

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Solution

The fourth proportional to 473,494,252.60, 710,241,378.90 and 388,463,692.60 is: 582,695,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,494,252.60 : 710,241,378.90 = 388,463,692.60 : x
  2. Step 2: Convert to fraction form
    473,494,252.60/710,241,378.90 = 388,463,692.60/x
  3. Step 3: Cross multiply
    473,494,252.60x = 710,241,378.90 × 388,463,692.60
  4. Step 4: Simplify right side
    473,494,252.60x = 275,902,988,684,809,728
  5. Step 5: Solve for x
    x = 275,902,988,684,809,728/473,494,252.60
  6. Step 6: Final answer
    x = 582,695,538.90

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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.