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Finding the Fourth Proportional to 595,488.61, 821,811.05 and 340,833.97

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Solution

The fourth proportional to 595,488.61, 821,811.05 and 340,833.97 is: 470,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,488.61 : 821,811.05 = 340,833.97 : x
  2. Step 2: Convert to fraction form
    595,488.61/821,811.05 = 340,833.97/x
  3. Step 3: Cross multiply
    595,488.61x = 821,811.05 × 340,833.97
  4. Step 4: Simplify right side
    595,488.61x = 280,101,122,761.37
  5. Step 5: Solve for x
    x = 280,101,122,761.37/595,488.61
  6. Step 6: Final answer
    x = 470,371.92

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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.