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Finding the Fourth Proportional to 483,185.96, 666,810.62 and 276,487.96

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Solution

The fourth proportional to 483,185.96, 666,810.62 and 276,487.96 is: 381,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,185.96 : 666,810.62 = 276,487.96 : x
  2. Step 2: Convert to fraction form
    483,185.96/666,810.62 = 276,487.96/x
  3. Step 3: Cross multiply
    483,185.96x = 666,810.62 × 276,487.96
  4. Step 4: Simplify right side
    483,185.96x = 184,365,108,030.14
  5. Step 5: Solve for x
    x = 184,365,108,030.14/483,185.96
  6. Step 6: Final answer
    x = 381,561.39

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1.5x scale

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.