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Finding the Fourth Proportional to 290,566.85, 435,854.64 and 110,662.22

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Solution

The fourth proportional to 290,566.85, 435,854.64 and 110,662.22 is: 165,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,566.85 : 435,854.64 = 110,662.22 : x
  2. Step 2: Convert to fraction form
    290,566.85/435,854.64 = 110,662.22/x
  3. Step 3: Cross multiply
    290,566.85x = 435,854.64 × 110,662.22
  4. Step 4: Simplify right side
    290,566.85x = 48,232,639,880.43
  5. Step 5: Solve for x
    x = 48,232,639,880.43/290,566.85
  6. Step 6: Final answer
    x = 165,994.99

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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.