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Finding the Fourth Proportional to 369,467.46, 509,865.46 and 199,701.60

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Solution

The fourth proportional to 369,467.46, 509,865.46 and 199,701.60 is: 275,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,467.46 : 509,865.46 = 199,701.60 : x
  2. Step 2: Convert to fraction form
    369,467.46/509,865.46 = 199,701.60/x
  3. Step 3: Cross multiply
    369,467.46x = 509,865.46 × 199,701.60
  4. Step 4: Simplify right side
    369,467.46x = 101,820,948,146.74
  5. Step 5: Solve for x
    x = 101,820,948,146.74/369,467.46
  6. Step 6: Final answer
    x = 275,588.41

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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.