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Finding the Fourth Proportional to 351,374.36, 484,890.83 and 190,228.10

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Solution

The fourth proportional to 351,374.36, 484,890.83 and 190,228.10 is: 262,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,374.36 : 484,890.83 = 190,228.10 : x
  2. Step 2: Convert to fraction form
    351,374.36/484,890.83 = 190,228.10/x
  3. Step 3: Cross multiply
    351,374.36x = 484,890.83 × 190,228.10
  4. Step 4: Simplify right side
    351,374.36x = 92,239,862,272.77
  5. Step 5: Solve for x
    x = 92,239,862,272.77/351,374.36
  6. Step 6: Final answer
    x = 262,511.65

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1.5x scale

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.