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Finding the Fourth Proportional to 424,611.49, 636,900.83 and 158,371.58

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Solution

The fourth proportional to 424,611.49, 636,900.83 and 158,371.58 is: 237,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,611.49 : 636,900.83 = 158,371.58 : x
  2. Step 2: Convert to fraction form
    424,611.49/636,900.83 = 158,371.58/x
  3. Step 3: Cross multiply
    424,611.49x = 636,900.83 × 158,371.58
  4. Step 4: Simplify right side
    424,611.49x = 100,866,989,554.09
  5. Step 5: Solve for x
    x = 100,866,989,554.09/424,611.49
  6. Step 6: Final answer
    x = 237,551.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.