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Finding the Fourth Proportional to 467,303.90, 644,878.53 and 252,443.30

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Solution

The fourth proportional to 467,303.90, 644,878.53 and 252,443.30 is: 348,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,303.90 : 644,878.53 = 252,443.30 : x
  2. Step 2: Convert to fraction form
    467,303.90/644,878.53 = 252,443.30/x
  3. Step 3: Cross multiply
    467,303.90x = 644,878.53 × 252,443.30
  4. Step 4: Simplify right side
    467,303.90x = 162,795,260,987.96
  5. Step 5: Solve for x
    x = 162,795,260,987.96/467,303.90
  6. Step 6: Final answer
    x = 348,371.29

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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.