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Finding the Fourth Proportional to 603,343.51, 905,396.47 and 337,278.56

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Solution

The fourth proportional to 603,343.51, 905,396.47 and 337,278.56 is: 506,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,343.51 : 905,396.47 = 337,278.56 : x
  2. Step 2: Convert to fraction form
    603,343.51/905,396.47 = 337,278.56/x
  3. Step 3: Cross multiply
    603,343.51x = 905,396.47 × 337,278.56
  4. Step 4: Simplify right side
    603,343.51x = 305,370,812,260.50
  5. Step 5: Solve for x
    x = 305,370,812,260.50/603,343.51
  6. Step 6: Final answer
    x = 506,130.93

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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.