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Finding the Fourth Proportional to 604,484.07, 905,978.73 and 305,050.29

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Solution

The fourth proportional to 604,484.07, 905,978.73 and 305,050.29 is: 457,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,484.07 : 905,978.73 = 305,050.29 : x
  2. Step 2: Convert to fraction form
    604,484.07/905,978.73 = 305,050.29/x
  3. Step 3: Cross multiply
    604,484.07x = 905,978.73 × 305,050.29
  4. Step 4: Simplify right side
    604,484.07x = 276,369,074,320.33
  5. Step 5: Solve for x
    x = 276,369,074,320.33/604,484.07
  6. Step 6: Final answer
    x = 457,198.28

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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.