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Finding the Fourth Proportional to 267,386.40, 368,855.28 and 181,316.28

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Solution

The fourth proportional to 267,386.40, 368,855.28 and 181,316.28 is: 250,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.40 : 368,855.28 = 181,316.28 : x
  2. Step 2: Convert to fraction form
    267,386.40/368,855.28 = 181,316.28/x
  3. Step 3: Cross multiply
    267,386.40x = 368,855.28 × 181,316.28
  4. Step 4: Simplify right side
    267,386.40x = 66,879,467,227.96
  5. Step 5: Solve for x
    x = 66,879,467,227.96/267,386.40
  6. Step 6: Final answer
    x = 250,122.92

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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.