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Finding the Fourth Proportional to 381,548.40, 572,322.60 and 241,465.20

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Solution

The fourth proportional to 381,548.40, 572,322.60 and 241,465.20 is: 362,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,548.40 : 572,322.60 = 241,465.20 : x
  2. Step 2: Convert to fraction form
    381,548.40/572,322.60 = 241,465.20/x
  3. Step 3: Cross multiply
    381,548.40x = 572,322.60 × 241,465.20
  4. Step 4: Simplify right side
    381,548.40x = 138,195,991,073.52
  5. Step 5: Solve for x
    x = 138,195,991,073.52/381,548.40
  6. Step 6: Final answer
    x = 362,197.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.