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Finding the Fourth Proportional to 262,673.64, 362,487.78 and 143,441.64

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Solution

The fourth proportional to 262,673.64, 362,487.78 and 143,441.64 is: 197,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,673.64 : 362,487.78 = 143,441.64 : x
  2. Step 2: Convert to fraction form
    262,673.64/362,487.78 = 143,441.64/x
  3. Step 3: Cross multiply
    262,673.64x = 362,487.78 × 143,441.64
  4. Step 4: Simplify right side
    262,673.64x = 51,995,841,643.16
  5. Step 5: Solve for x
    x = 51,995,841,643.16/262,673.64
  6. Step 6: Final answer
    x = 197,948.46

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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.