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Finding the Fourth Proportional to 262,804.26, 362,669.92 and 143,572.26

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Solution

The fourth proportional to 262,804.26, 362,669.92 and 143,572.26 is: 198,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,804.26 : 362,669.92 = 143,572.26 : x
  2. Step 2: Convert to fraction form
    262,804.26/362,669.92 = 143,572.26/x
  3. Step 3: Cross multiply
    262,804.26x = 362,669.92 × 143,572.26
  4. Step 4: Simplify right side
    262,804.26x = 52,069,340,048.42
  5. Step 5: Solve for x
    x = 52,069,340,048.42/262,804.26
  6. Step 6: Final answer
    x = 198,129.74

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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.