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Finding the Fourth Proportional to 315,855.56, 474,111.48 and 182,995.40

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Solution

The fourth proportional to 315,855.56, 474,111.48 and 182,995.40 is: 274,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,855.56 : 474,111.48 = 182,995.40 : x
  2. Step 2: Convert to fraction form
    315,855.56/474,111.48 = 182,995.40/x
  3. Step 3: Cross multiply
    315,855.56x = 474,111.48 × 182,995.40
  4. Step 4: Simplify right side
    315,855.56x = 86,760,219,927.19
  5. Step 5: Solve for x
    x = 86,760,219,927.19/315,855.56
  6. Step 6: Final answer
    x = 274,683.21

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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.