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Finding the Fourth Proportional to 292,055.82, 403,219.47 and 223,941.94

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Solution

The fourth proportional to 292,055.82, 403,219.47 and 223,941.94 is: 309,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,055.82 : 403,219.47 = 223,941.94 : x
  2. Step 2: Convert to fraction form
    292,055.82/403,219.47 = 223,941.94/x
  3. Step 3: Cross multiply
    292,055.82x = 403,219.47 × 223,941.94
  4. Step 4: Simplify right side
    292,055.82x = 90,297,750,357.57
  5. Step 5: Solve for x
    x = 90,297,750,357.57/292,055.82
  6. Step 6: Final answer
    x = 309,179.77

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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.