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Finding the Fourth Proportional to 655,895.68, 905,164.02 and 365,507.56

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Solution

The fourth proportional to 655,895.68, 905,164.02 and 365,507.56 is: 504,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,895.68 : 905,164.02 = 365,507.56 : x
  2. Step 2: Convert to fraction form
    655,895.68/905,164.02 = 365,507.56/x
  3. Step 3: Cross multiply
    655,895.68x = 905,164.02 × 365,507.56
  4. Step 4: Simplify right side
    655,895.68x = 330,844,292,349.99
  5. Step 5: Solve for x
    x = 330,844,292,349.99/655,895.68
  6. Step 6: Final answer
    x = 504,416.03

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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.