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Finding the Fourth Proportional to 264,416,702.70, 396,625,054.05 and 141,972,696.30

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Solution

The fourth proportional to 264,416,702.70, 396,625,054.05 and 141,972,696.30 is: 212,959,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,416,702.70 : 396,625,054.05 = 141,972,696.30 : x
  2. Step 2: Convert to fraction form
    264,416,702.70/396,625,054.05 = 141,972,696.30/x
  3. Step 3: Cross multiply
    264,416,702.70x = 396,625,054.05 × 141,972,696.30
  4. Step 4: Simplify right side
    264,416,702.70x = 56,309,928,343,611,744
  5. Step 5: Solve for x
    x = 56,309,928,343,611,744/264,416,702.70
  6. Step 6: Final answer
    x = 212,959,044.45

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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.