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Finding the Fourth Proportional to 437,295.51, 603,261.61 and 255,896.18

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Solution

The fourth proportional to 437,295.51, 603,261.61 and 255,896.18 is: 353,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,295.51 : 603,261.61 = 255,896.18 : x
  2. Step 2: Convert to fraction form
    437,295.51/603,261.61 = 255,896.18/x
  3. Step 3: Cross multiply
    437,295.51x = 603,261.61 × 255,896.18
  4. Step 4: Simplify right side
    437,295.51x = 154,372,340,145.83
  5. Step 5: Solve for x
    x = 154,372,340,145.83/437,295.51
  6. Step 6: Final answer
    x = 353,016.06

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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.