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Finding the Fourth Proportional to 374,864.94, 516,775.57 and 267,248.14

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Solution

The fourth proportional to 374,864.94, 516,775.57 and 267,248.14 is: 368,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,864.94 : 516,775.57 = 267,248.14 : x
  2. Step 2: Convert to fraction form
    374,864.94/516,775.57 = 267,248.14/x
  3. Step 3: Cross multiply
    374,864.94x = 516,775.57 × 267,248.14
  4. Step 4: Simplify right side
    374,864.94x = 138,107,307,919.88
  5. Step 5: Solve for x
    x = 138,107,307,919.88/374,864.94
  6. Step 6: Final answer
    x = 368,418.84

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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.