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Finding the Fourth Proportional to 362,403.30, 542,568.15 and 362,403.30

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Solution

The fourth proportional to 362,403.30, 542,568.15 and 362,403.30 is: 542,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,403.30 : 542,568.15 = 362,403.30 : x
  2. Step 2: Convert to fraction form
    362,403.30/542,568.15 = 362,403.30/x
  3. Step 3: Cross multiply
    362,403.30x = 542,568.15 × 362,403.30
  4. Step 4: Simplify right side
    362,403.30x = 196,628,488,034.90
  5. Step 5: Solve for x
    x = 196,628,488,034.90/362,403.30
  6. Step 6: Final answer
    x = 542,568.15

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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.