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Finding the Fourth Proportional to 374,842.61, 516,744.74 and 267,225.80

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Solution

The fourth proportional to 374,842.61, 516,744.74 and 267,225.80 is: 368,388.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,842.61 : 516,744.74 = 267,225.80 : x
  2. Step 2: Convert to fraction form
    374,842.61/516,744.74 = 267,225.80/x
  3. Step 3: Cross multiply
    374,842.61x = 516,744.74 × 267,225.80
  4. Step 4: Simplify right side
    374,842.61x = 138,087,522,622.44
  5. Step 5: Solve for x
    x = 138,087,522,622.44/374,842.61
  6. Step 6: Final answer
    x = 368,388.01

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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.