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Finding the Fourth Proportional to 508,579.74, 701,352.31 and 304,597.98

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Solution

The fourth proportional to 508,579.74, 701,352.31 and 304,597.98 is: 420,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,579.74 : 701,352.31 = 304,597.98 : x
  2. Step 2: Convert to fraction form
    508,579.74/701,352.31 = 304,597.98/x
  3. Step 3: Cross multiply
    508,579.74x = 701,352.31 × 304,597.98
  4. Step 4: Simplify right side
    508,579.74x = 213,630,496,894.33
  5. Step 5: Solve for x
    x = 213,630,496,894.33/508,579.74
  6. Step 6: Final answer
    x = 420,053.10

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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.