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Finding the Fourth Proportional to 700,632.26, 966,875.47 and 394,712.31

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Solution

The fourth proportional to 700,632.26, 966,875.47 and 394,712.31 is: 544,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,632.26 : 966,875.47 = 394,712.31 : x
  2. Step 2: Convert to fraction form
    700,632.26/966,875.47 = 394,712.31/x
  3. Step 3: Cross multiply
    700,632.26x = 966,875.47 × 394,712.31
  4. Step 4: Simplify right side
    700,632.26x = 381,637,650,246.04
  5. Step 5: Solve for x
    x = 381,637,650,246.04/700,632.26
  6. Step 6: Final answer
    x = 544,704.65

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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.