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Finding the Fourth Proportional to 374,880.32, 516,796.64 and 267,263.52

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Solution

The fourth proportional to 374,880.32, 516,796.64 and 267,263.52 is: 368,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,880.32 : 516,796.64 = 267,263.52 : x
  2. Step 2: Convert to fraction form
    374,880.32/516,796.64 = 267,263.52/x
  3. Step 3: Cross multiply
    374,880.32x = 516,796.64 × 267,263.52
  4. Step 4: Simplify right side
    374,880.32x = 138,120,887,794.26
  5. Step 5: Solve for x
    x = 138,120,887,794.26/374,880.32
  6. Step 6: Final answer
    x = 368,439.96

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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.