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Finding the Fourth Proportional to 374,891.19, 516,811.69 and 267,274.38

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Solution

The fourth proportional to 374,891.19, 516,811.69 and 267,274.38 is: 368,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,891.19 : 516,811.69 = 267,274.38 : x
  2. Step 2: Convert to fraction form
    374,891.19/516,811.69 = 267,274.38/x
  3. Step 3: Cross multiply
    374,891.19x = 516,811.69 × 267,274.38
  4. Step 4: Simplify right side
    374,891.19x = 138,130,526,293.64
  5. Step 5: Solve for x
    x = 138,130,526,293.64/374,891.19
  6. Step 6: Final answer
    x = 368,454.98

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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.