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Finding the Fourth Proportional to 265,744,981.70, 372,425,611.90 and 265,744,981.70

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Solution

The fourth proportional to 265,744,981.70, 372,425,611.90 and 265,744,981.70 is: 372,425,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,744,981.70 : 372,425,611.90 = 265,744,981.70 : x
  2. Step 2: Convert to fraction form
    265,744,981.70/372,425,611.90 = 265,744,981.70/x
  3. Step 3: Cross multiply
    265,744,981.70x = 372,425,611.90 × 265,744,981.70
  4. Step 4: Simplify right side
    265,744,981.70x = 98,970,237,418,976,784
  5. Step 5: Solve for x
    x = 98,970,237,418,976,784/265,744,981.70
  6. Step 6: Final answer
    x = 372,425,611.90

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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.