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Finding the Fourth Proportional to 268,136.48, 370,268.53 and 200,035.18

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Solution

The fourth proportional to 268,136.48, 370,268.53 and 200,035.18 is: 276,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,136.48 : 370,268.53 = 200,035.18 : x
  2. Step 2: Convert to fraction form
    268,136.48/370,268.53 = 200,035.18/x
  3. Step 3: Cross multiply
    268,136.48x = 370,268.53 × 200,035.18
  4. Step 4: Simplify right side
    268,136.48x = 74,066,732,009.63
  5. Step 5: Solve for x
    x = 74,066,732,009.63/268,136.48
  6. Step 6: Final answer
    x = 276,227.73

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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.