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Finding the Fourth Proportional to 262,730.25, 362,576.39 and 143,498.25

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Solution

The fourth proportional to 262,730.25, 362,576.39 and 143,498.25 is: 198,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,730.25 : 362,576.39 = 143,498.25 : x
  2. Step 2: Convert to fraction form
    262,730.25/362,576.39 = 143,498.25/x
  3. Step 3: Cross multiply
    262,730.25x = 362,576.39 × 143,498.25
  4. Step 4: Simplify right side
    262,730.25x = 52,029,076,738.83
  5. Step 5: Solve for x
    x = 52,029,076,738.83/262,730.25
  6. Step 6: Final answer
    x = 198,032.30

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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.