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Finding the Fourth Proportional to 409,094, 564,601.56 and 230,280.56

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Solution

The fourth proportional to 409,094, 564,601.56 and 230,280.56 is: 317,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,094 : 564,601.56 = 230,280.56 : x
  2. Step 2: Convert to fraction form
    409,094/564,601.56 = 230,280.56/x
  3. Step 3: Cross multiply
    409,094x = 564,601.56 × 230,280.56
  4. Step 4: Simplify right side
    409,094x = 130,016,763,413.67
  5. Step 5: Solve for x
    x = 130,016,763,413.67/409,094
  6. Step 6: Final answer
    x = 317,816.35

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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.