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Finding the Fourth Proportional to 679,182.54, 937,559.25 and 458,467.98

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Solution

The fourth proportional to 679,182.54, 937,559.25 and 458,467.98 is: 632,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,182.54 : 937,559.25 = 458,467.98 : x
  2. Step 2: Convert to fraction form
    679,182.54/937,559.25 = 458,467.98/x
  3. Step 3: Cross multiply
    679,182.54x = 937,559.25 × 458,467.98
  4. Step 4: Simplify right side
    679,182.54x = 429,840,895,477.82
  5. Step 5: Solve for x
    x = 429,840,895,477.82/679,182.54
  6. Step 6: Final answer
    x = 632,879.78

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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.