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Finding the Fourth Proportional to 325,062.81, 486,933.26 and 265,304.25

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Solution

The fourth proportional to 325,062.81, 486,933.26 and 265,304.25 is: 397,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,062.81 : 486,933.26 = 265,304.25 : x
  2. Step 2: Convert to fraction form
    325,062.81/486,933.26 = 265,304.25/x
  3. Step 3: Cross multiply
    325,062.81x = 486,933.26 × 265,304.25
  4. Step 4: Simplify right side
    325,062.81x = 129,185,462,017.83
  5. Step 5: Solve for x
    x = 129,185,462,017.83/325,062.81
  6. Step 6: Final answer
    x = 397,416.92

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1.5x scale

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.