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Finding the Fourth Proportional to 655,888.68, 905,154.36 and 365,500.56

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Solution

The fourth proportional to 655,888.68, 905,154.36 and 365,500.56 is: 504,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,888.68 : 905,154.36 = 365,500.56 : x
  2. Step 2: Convert to fraction form
    655,888.68/905,154.36 = 365,500.56/x
  3. Step 3: Cross multiply
    655,888.68x = 905,154.36 × 365,500.56
  4. Step 4: Simplify right side
    655,888.68x = 330,834,425,466.44
  5. Step 5: Solve for x
    x = 330,834,425,466.44/655,888.68
  6. Step 6: Final answer
    x = 504,406.37

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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.