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Finding the Fourth Proportional to 262,889.84, 362,787.72 and 143,657.84

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Solution

The fourth proportional to 262,889.84, 362,787.72 and 143,657.84 is: 198,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,889.84 : 362,787.72 = 143,657.84 : x
  2. Step 2: Convert to fraction form
    262,889.84/362,787.72 = 143,657.84/x
  3. Step 3: Cross multiply
    262,889.84x = 362,787.72 × 143,657.84
  4. Step 4: Simplify right side
    262,889.84x = 52,117,300,233.72
  5. Step 5: Solve for x
    x = 52,117,300,233.72/262,889.84
  6. Step 6: Final answer
    x = 198,247.68

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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.