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Finding the Fourth Proportional to 710,536.48, 1,065,775.44 and 394,792

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Solution

The fourth proportional to 710,536.48, 1,065,775.44 and 394,792 is: 592,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,536.48 : 1,065,775.44 = 394,792 : x
  2. Step 2: Convert to fraction form
    710,536.48/1,065,775.44 = 394,792/x
  3. Step 3: Cross multiply
    710,536.48x = 1,065,775.44 × 394,792
  4. Step 4: Simplify right side
    710,536.48x = 420,759,617,508.48
  5. Step 5: Solve for x
    x = 420,759,617,508.48/710,536.48
  6. Step 6: Final answer
    x = 592,171.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.