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Finding the Fourth Proportional to 483,875.39, 666,763.27 and 374,314.19

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Solution

The fourth proportional to 483,875.39, 666,763.27 and 374,314.19 is: 515,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,875.39 : 666,763.27 = 374,314.19 : x
  2. Step 2: Convert to fraction form
    483,875.39/666,763.27 = 374,314.19/x
  3. Step 3: Cross multiply
    483,875.39x = 666,763.27 × 374,314.19
  4. Step 4: Simplify right side
    483,875.39x = 249,578,949,062.20
  5. Step 5: Solve for x
    x = 249,578,949,062.20/483,875.39
  6. Step 6: Final answer
    x = 515,791.78

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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.