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Finding the Fourth Proportional to 351,406.54, 484,941.90 and 190,263.52

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Solution

The fourth proportional to 351,406.54, 484,941.90 and 190,263.52 is: 262,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,406.54 : 484,941.90 = 190,263.52 : x
  2. Step 2: Convert to fraction form
    351,406.54/484,941.90 = 190,263.52/x
  3. Step 3: Cross multiply
    351,406.54x = 484,941.90 × 190,263.52
  4. Step 4: Simplify right side
    351,406.54x = 92,266,752,889.49
  5. Step 5: Solve for x
    x = 92,266,752,889.49/351,406.54
  6. Step 6: Final answer
    x = 262,564.13

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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.