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Finding the Fourth Proportional to 333,878.70, 460,912.20 and 190,611.07

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Solution

The fourth proportional to 333,878.70, 460,912.20 and 190,611.07 is: 263,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,878.70 : 460,912.20 = 190,611.07 : x
  2. Step 2: Convert to fraction form
    333,878.70/460,912.20 = 190,611.07/x
  3. Step 3: Cross multiply
    333,878.70x = 460,912.20 × 190,611.07
  4. Step 4: Simplify right side
    333,878.70x = 87,854,966,465.77
  5. Step 5: Solve for x
    x = 87,854,966,465.77/333,878.70
  6. Step 6: Final answer
    x = 263,134.39

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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.