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Finding the Fourth Proportional to 253,224,207.30, 355,320,105.90 and 253,224,207.30

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Solution

The fourth proportional to 253,224,207.30, 355,320,105.90 and 253,224,207.30 is: 355,320,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,224,207.30 : 355,320,105.90 = 253,224,207.30 : x
  2. Step 2: Convert to fraction form
    253,224,207.30/355,320,105.90 = 253,224,207.30/x
  3. Step 3: Cross multiply
    253,224,207.30x = 355,320,105.90 × 253,224,207.30
  4. Step 4: Simplify right side
    253,224,207.30x = 89,975,652,154,279,552
  5. Step 5: Solve for x
    x = 89,975,652,154,279,552/253,224,207.30
  6. Step 6: Final answer
    x = 355,320,105.90

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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.