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Finding the Fourth Proportional to 368,584.02, 508,561.80 and 207,380.25

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Solution

The fourth proportional to 368,584.02, 508,561.80 and 207,380.25 is: 286,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,584.02 : 508,561.80 = 207,380.25 : x
  2. Step 2: Convert to fraction form
    368,584.02/508,561.80 = 207,380.25/x
  3. Step 3: Cross multiply
    368,584.02x = 508,561.80 × 207,380.25
  4. Step 4: Simplify right side
    368,584.02x = 105,465,670,447.09
  5. Step 5: Solve for x
    x = 105,465,670,447.09/368,584.02
  6. Step 6: Final answer
    x = 286,137.40

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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.