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Finding the Fourth Proportional to 219,216.20, 328,824.30 and 174,929.45

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Solution

The fourth proportional to 219,216.20, 328,824.30 and 174,929.45 is: 262,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,216.20 : 328,824.30 = 174,929.45 : x
  2. Step 2: Convert to fraction form
    219,216.20/328,824.30 = 174,929.45/x
  3. Step 3: Cross multiply
    219,216.20x = 328,824.30 × 174,929.45
  4. Step 4: Simplify right side
    219,216.20x = 57,521,053,945.64
  5. Step 5: Solve for x
    x = 57,521,053,945.64/219,216.20
  6. Step 6: Final answer
    x = 262,394.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.