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Finding the Fourth Proportional to 364,676.04, 547,258.41 and 128,019.42

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Solution

The fourth proportional to 364,676.04, 547,258.41 and 128,019.42 is: 192,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,676.04 : 547,258.41 = 128,019.42 : x
  2. Step 2: Convert to fraction form
    364,676.04/547,258.41 = 128,019.42/x
  3. Step 3: Cross multiply
    364,676.04x = 547,258.41 × 128,019.42
  4. Step 4: Simplify right side
    364,676.04x = 70,059,704,238.32
  5. Step 5: Solve for x
    x = 70,059,704,238.32/364,676.04
  6. Step 6: Final answer
    x = 192,114.91

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1.5x scale

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.