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Finding the Fourth Proportional to 262,725.50, 362,569.84 and 143,493.50

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Solution

The fourth proportional to 262,725.50, 362,569.84 and 143,493.50 is: 198,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,725.50 : 362,569.84 = 143,493.50 : x
  2. Step 2: Convert to fraction form
    262,725.50/362,569.84 = 143,493.50/x
  3. Step 3: Cross multiply
    262,725.50x = 362,569.84 × 143,493.50
  4. Step 4: Simplify right side
    262,725.50x = 52,026,415,336.04
  5. Step 5: Solve for x
    x = 52,026,415,336.04/262,725.50
  6. Step 6: Final answer
    x = 198,025.75

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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.