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Finding the Fourth Proportional to 371,607.87, 512,674.63 and 262,872.06

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Solution

The fourth proportional to 371,607.87, 512,674.63 and 262,872.06 is: 362,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,607.87 : 512,674.63 = 262,872.06 : x
  2. Step 2: Convert to fraction form
    371,607.87/512,674.63 = 262,872.06/x
  3. Step 3: Cross multiply
    371,607.87x = 512,674.63 × 262,872.06
  4. Step 4: Simplify right side
    371,607.87x = 134,767,834,996.78
  5. Step 5: Solve for x
    x = 134,767,834,996.78/371,607.87
  6. Step 6: Final answer
    x = 362,661.41

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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.