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Finding the Fourth Proportional to 647,184,522.60, 970,776,783.90 and 374,414,884.20

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Solution

The fourth proportional to 647,184,522.60, 970,776,783.90 and 374,414,884.20 is: 561,622,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,184,522.60 : 970,776,783.90 = 374,414,884.20 : x
  2. Step 2: Convert to fraction form
    647,184,522.60/970,776,783.90 = 374,414,884.20/x
  3. Step 3: Cross multiply
    647,184,522.60x = 970,776,783.90 × 374,414,884.20
  4. Step 4: Simplify right side
    647,184,522.60x = 363,473,277,127,966,912
  5. Step 5: Solve for x
    x = 363,473,277,127,966,912/647,184,522.60
  6. Step 6: Final answer
    x = 561,622,326.30

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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.