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Finding the Fourth Proportional to 351,089.01, 484,506.35 and 189,947.52

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Solution

The fourth proportional to 351,089.01, 484,506.35 and 189,947.52 is: 262,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,089.01 : 484,506.35 = 189,947.52 : x
  2. Step 2: Convert to fraction form
    351,089.01/484,506.35 = 189,947.52/x
  3. Step 3: Cross multiply
    351,089.01x = 484,506.35 × 189,947.52
  4. Step 4: Simplify right side
    351,089.01x = 92,030,778,657.01
  5. Step 5: Solve for x
    x = 92,030,778,657.01/351,089.01
  6. Step 6: Final answer
    x = 262,129.48

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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.