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Finding the Fourth Proportional to 219,346.60, 329,408.70 and 169,547.80

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Solution

The fourth proportional to 219,346.60, 329,408.70 and 169,547.80 is: 254,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,346.60 : 329,408.70 = 169,547.80 : x
  2. Step 2: Convert to fraction form
    219,346.60/329,408.70 = 169,547.80/x
  3. Step 3: Cross multiply
    219,346.60x = 329,408.70 × 169,547.80
  4. Step 4: Simplify right side
    219,346.60x = 55,850,520,385.86
  5. Step 5: Solve for x
    x = 55,850,520,385.86/219,346.60
  6. Step 6: Final answer
    x = 254,622.23

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