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Finding the Fourth Proportional to 274,827,186, 379,262,304 and 157,354,318.08

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Solution

The fourth proportional to 274,827,186, 379,262,304 and 157,354,318.08 is: 217,149,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,827,186 : 379,262,304 = 157,354,318.08 : x
  2. Step 2: Convert to fraction form
    274,827,186/379,262,304 = 157,354,318.08/x
  3. Step 3: Cross multiply
    274,827,186x = 379,262,304 × 157,354,318.08
  4. Step 4: Simplify right side
    274,827,186x = 59,678,561,219,369,664
  5. Step 5: Solve for x
    x = 59,678,561,219,369,664/274,827,186
  6. Step 6: Final answer
    x = 217,149,409.74

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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.