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Finding the Fourth Proportional to 262,616.84, 362,415.54 and 143,384.84

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Solution

The fourth proportional to 262,616.84, 362,415.54 and 143,384.84 is: 197,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,616.84 : 362,415.54 = 143,384.84 : x
  2. Step 2: Convert to fraction form
    262,616.84/362,415.54 = 143,384.84/x
  3. Step 3: Cross multiply
    262,616.84x = 362,415.54 × 143,384.84
  4. Step 4: Simplify right side
    262,616.84x = 51,964,894,216.41
  5. Step 5: Solve for x
    x = 51,964,894,216.41/262,616.84
  6. Step 6: Final answer
    x = 197,873.43

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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.