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Finding the Fourth Proportional to 437,153.16, 655,270.29 and 200,301.06

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Solution

The fourth proportional to 437,153.16, 655,270.29 and 200,301.06 is: 300,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,153.16 : 655,270.29 = 200,301.06 : x
  2. Step 2: Convert to fraction form
    437,153.16/655,270.29 = 200,301.06/x
  3. Step 3: Cross multiply
    437,153.16x = 655,270.29 × 200,301.06
  4. Step 4: Simplify right side
    437,153.16x = 131,251,333,673.51
  5. Step 5: Solve for x
    x = 131,251,333,673.51/437,153.16
  6. Step 6: Final answer
    x = 300,241.07

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1.5x scale

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.