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Finding the Fourth Proportional to 358,045.58, 494,115.58 and 196,913.10

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Solution

The fourth proportional to 358,045.58, 494,115.58 and 196,913.10 is: 271,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,045.58 : 494,115.58 = 196,913.10 : x
  2. Step 2: Convert to fraction form
    358,045.58/494,115.58 = 196,913.10/x
  3. Step 3: Cross multiply
    358,045.58x = 494,115.58 × 196,913.10
  4. Step 4: Simplify right side
    358,045.58x = 97,297,830,616.10
  5. Step 5: Solve for x
    x = 97,297,830,616.10/358,045.58
  6. Step 6: Final answer
    x = 271,747.05

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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.