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Finding the Fourth Proportional to 286,875.41, 395,882.42 and 159,548.27

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Solution

The fourth proportional to 286,875.41, 395,882.42 and 159,548.27 is: 220,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,875.41 : 395,882.42 = 159,548.27 : x
  2. Step 2: Convert to fraction form
    286,875.41/395,882.42 = 159,548.27/x
  3. Step 3: Cross multiply
    286,875.41x = 395,882.42 × 159,548.27
  4. Step 4: Simplify right side
    286,875.41x = 63,162,352,457.26
  5. Step 5: Solve for x
    x = 63,162,352,457.26/286,875.41
  6. Step 6: Final answer
    x = 220,173.47

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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.