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Finding the Fourth Proportional to 450,764.56, 675,174.78 and 424,266.52

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Solution

The fourth proportional to 450,764.56, 675,174.78 and 424,266.52 is: 635,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,764.56 : 675,174.78 = 424,266.52 : x
  2. Step 2: Convert to fraction form
    450,764.56/675,174.78 = 424,266.52/x
  3. Step 3: Cross multiply
    450,764.56x = 675,174.78 × 424,266.52
  4. Step 4: Simplify right side
    450,764.56x = 286,454,054,302.37
  5. Step 5: Solve for x
    x = 286,454,054,302.37/450,764.56
  6. Step 6: Final answer
    x = 635,484.86

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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.