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Finding the Fourth Proportional to 706,460.04, 974,940.45 and 404,712.36

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Solution

The fourth proportional to 706,460.04, 974,940.45 and 404,712.36 is: 558,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,460.04 : 974,940.45 = 404,712.36 : x
  2. Step 2: Convert to fraction form
    706,460.04/974,940.45 = 404,712.36/x
  3. Step 3: Cross multiply
    706,460.04x = 974,940.45 × 404,712.36
  4. Step 4: Simplify right side
    706,460.04x = 394,570,443,480.70
  5. Step 5: Solve for x
    x = 394,570,443,480.70/706,460.04
  6. Step 6: Final answer
    x = 558,517.71

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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.