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Finding the Fourth Proportional to 368,288.56, 552,271.79 and 185,807.10

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Solution

The fourth proportional to 368,288.56, 552,271.79 and 185,807.10 is: 278,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,288.56 : 552,271.79 = 185,807.10 : x
  2. Step 2: Convert to fraction form
    368,288.56/552,271.79 = 185,807.10/x
  3. Step 3: Cross multiply
    368,288.56x = 552,271.79 × 185,807.10
  4. Step 4: Simplify right side
    368,288.56x = 102,616,020,176.23
  5. Step 5: Solve for x
    x = 102,616,020,176.23/368,288.56
  6. Step 6: Final answer
    x = 278,629.40

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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.