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Finding the Fourth Proportional to 505,683.68, 697,837.44 and 276,238.16

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Solution

The fourth proportional to 505,683.68, 697,837.44 and 276,238.16 is: 381,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,683.68 : 697,837.44 = 276,238.16 : x
  2. Step 2: Convert to fraction form
    505,683.68/697,837.44 = 276,238.16/x
  3. Step 3: Cross multiply
    505,683.68x = 697,837.44 × 276,238.16
  4. Step 4: Simplify right side
    505,683.68x = 192,769,330,404.71
  5. Step 5: Solve for x
    x = 192,769,330,404.71/505,683.68
  6. Step 6: Final answer
    x = 381,205.36

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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.