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Finding the Fourth Proportional to 262,840.71, 362,880.90 and 171,047.46

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Solution

The fourth proportional to 262,840.71, 362,880.90 and 171,047.46 is: 236,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,840.71 : 362,880.90 = 171,047.46 : x
  2. Step 2: Convert to fraction form
    262,840.71/362,880.90 = 171,047.46/x
  3. Step 3: Cross multiply
    262,840.71x = 362,880.90 × 171,047.46
  4. Step 4: Simplify right side
    262,840.71x = 62,069,856,227.51
  5. Step 5: Solve for x
    x = 62,069,856,227.51/262,840.71
  6. Step 6: Final answer
    x = 236,150.09

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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.