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Finding the Fourth Proportional to 321,565.36, 480,006.04 and 297,848.56

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Solution

The fourth proportional to 321,565.36, 480,006.04 and 297,848.56 is: 444,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,565.36 : 480,006.04 = 297,848.56 : x
  2. Step 2: Convert to fraction form
    321,565.36/480,006.04 = 297,848.56/x
  3. Step 3: Cross multiply
    321,565.36x = 480,006.04 × 297,848.56
  4. Step 4: Simplify right side
    321,565.36x = 142,969,107,805.30
  5. Step 5: Solve for x
    x = 142,969,107,805.30/321,565.36
  6. Step 6: Final answer
    x = 444,603.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.