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Finding the Fourth Proportional to 706,072.66, 974,356.42 and 404,208.34

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Solution

The fourth proportional to 706,072.66, 974,356.42 and 404,208.34 is: 557,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,072.66 : 974,356.42 = 404,208.34 : x
  2. Step 2: Convert to fraction form
    706,072.66/974,356.42 = 404,208.34/x
  3. Step 3: Cross multiply
    706,072.66x = 974,356.42 × 404,208.34
  4. Step 4: Simplify right side
    706,072.66x = 393,842,991,096.54
  5. Step 5: Solve for x
    x = 393,842,991,096.54/706,072.66
  6. Step 6: Final answer
    x = 557,793.86

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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.