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Finding the Fourth Proportional to 369,903.81, 510,467.23 and 200,137.94

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Solution

The fourth proportional to 369,903.81, 510,467.23 and 200,137.94 is: 276,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,903.81 : 510,467.23 = 200,137.94 : x
  2. Step 2: Convert to fraction form
    369,903.81/510,467.23 = 200,137.94/x
  3. Step 3: Cross multiply
    369,903.81x = 510,467.23 × 200,137.94
  4. Step 4: Simplify right side
    369,903.81x = 102,163,859,461.80
  5. Step 5: Solve for x
    x = 102,163,859,461.80/369,903.81
  6. Step 6: Final answer
    x = 276,190.34

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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.