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Finding the Fourth Proportional to 368,560.49, 508,607.52 and 207,415.45

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Solution

The fourth proportional to 368,560.49, 508,607.52 and 207,415.45 is: 286,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,560.49 : 508,607.52 = 207,415.45 : x
  2. Step 2: Convert to fraction form
    368,560.49/508,607.52 = 207,415.45/x
  3. Step 3: Cross multiply
    368,560.49x = 508,607.52 × 207,415.45
  4. Step 4: Simplify right side
    368,560.49x = 105,493,055,091.15
  5. Step 5: Solve for x
    x = 105,493,055,091.15/368,560.49
  6. Step 6: Final answer
    x = 286,229.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.