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Finding the Fourth Proportional to 706,323.27, 974,721.15 and 384,033.45

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Solution

The fourth proportional to 706,323.27, 974,721.15 and 384,033.45 is: 529,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,323.27 : 974,721.15 = 384,033.45 : x
  2. Step 2: Convert to fraction form
    706,323.27/974,721.15 = 384,033.45/x
  3. Step 3: Cross multiply
    706,323.27x = 974,721.15 × 384,033.45
  4. Step 4: Simplify right side
    706,323.27x = 374,325,526,022.47
  5. Step 5: Solve for x
    x = 374,325,526,022.47/706,323.27
  6. Step 6: Final answer
    x = 529,963.46

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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.