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Finding the Fourth Proportional to 517,936.39, 714,862.51 and 348,072.10

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Solution

The fourth proportional to 517,936.39, 714,862.51 and 348,072.10 is: 480,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,936.39 : 714,862.51 = 348,072.10 : x
  2. Step 2: Convert to fraction form
    517,936.39/714,862.51 = 348,072.10/x
  3. Step 3: Cross multiply
    517,936.39x = 714,862.51 × 348,072.10
  4. Step 4: Simplify right side
    517,936.39x = 248,823,692,409.63
  5. Step 5: Solve for x
    x = 248,823,692,409.63/517,936.39
  6. Step 6: Final answer
    x = 480,413.62

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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.