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Finding the Fourth Proportional to 262,615.84, 362,414.16 and 143,383.84

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Solution

The fourth proportional to 262,615.84, 362,414.16 and 143,383.84 is: 197,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,615.84 : 362,414.16 = 143,383.84 : x
  2. Step 2: Convert to fraction form
    262,615.84/362,414.16 = 143,383.84/x
  3. Step 3: Cross multiply
    262,615.84x = 362,414.16 × 143,383.84
  4. Step 4: Simplify right side
    262,615.84x = 51,964,333,931.17
  5. Step 5: Solve for x
    x = 51,964,333,931.17/262,615.84
  6. Step 6: Final answer
    x = 197,872.05

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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.