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Finding the Fourth Proportional to 449,064,056.70, 627,159,129.30 and 449,064,056.70

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Solution

The fourth proportional to 449,064,056.70, 627,159,129.30 and 449,064,056.70 is: 627,159,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,064,056.70 : 627,159,129.30 = 449,064,056.70 : x
  2. Step 2: Convert to fraction form
    449,064,056.70/627,159,129.30 = 449,064,056.70/x
  3. Step 3: Cross multiply
    449,064,056.70x = 627,159,129.30 × 449,064,056.70
  4. Step 4: Simplify right side
    449,064,056.70x = 281,634,622,799,897,792
  5. Step 5: Solve for x
    x = 281,634,622,799,897,792/449,064,056.70
  6. Step 6: Final answer
    x = 627,159,129.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.