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Finding the Fourth Proportional to 467,069, 644,570.58 and 255,101

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Solution

The fourth proportional to 467,069, 644,570.58 and 255,101 is: 352,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,069 : 644,570.58 = 255,101 : x
  2. Step 2: Convert to fraction form
    467,069/644,570.58 = 255,101/x
  3. Step 3: Cross multiply
    467,069x = 644,570.58 × 255,101
  4. Step 4: Simplify right side
    467,069x = 164,430,599,528.58
  5. Step 5: Solve for x
    x = 164,430,599,528.58/467,069
  6. Step 6: Final answer
    x = 352,047.77

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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.