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Finding the Fourth Proportional to 395,449,636.70, 593,174,455.05 and 266,119,204.70

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Solution

The fourth proportional to 395,449,636.70, 593,174,455.05 and 266,119,204.70 is: 399,178,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,449,636.70 : 593,174,455.05 = 266,119,204.70 : x
  2. Step 2: Convert to fraction form
    395,449,636.70/593,174,455.05 = 266,119,204.70/x
  3. Step 3: Cross multiply
    395,449,636.70x = 593,174,455.05 × 266,119,204.70
  4. Step 4: Simplify right side
    395,449,636.70x = 157,855,114,226,261,888
  5. Step 5: Solve for x
    x = 157,855,114,226,261,888/395,449,636.70
  6. Step 6: Final answer
    x = 399,178,807.05

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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.