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Finding the Fourth Proportional to 367,603,702.70, 507,293,112.03 and 202,591,274.54

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Solution

The fourth proportional to 367,603,702.70, 507,293,112.03 and 202,591,274.54 is: 279,575,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,603,702.70 : 507,293,112.03 = 202,591,274.54 : x
  2. Step 2: Convert to fraction form
    367,603,702.70/507,293,112.03 = 202,591,274.54/x
  3. Step 3: Cross multiply
    367,603,702.70x = 507,293,112.03 × 202,591,274.54
  4. Step 4: Simplify right side
    367,603,702.70x = 102,773,158,131,520,704
  5. Step 5: Solve for x
    x = 102,773,158,131,520,704/367,603,702.70
  6. Step 6: Final answer
    x = 279,575,960.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.