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Finding the Fourth Proportional to 358,351.64, 494,525.34 and 197,206.69

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Solution

The fourth proportional to 358,351.64, 494,525.34 and 197,206.69 is: 272,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,351.64 : 494,525.34 = 197,206.69 : x
  2. Step 2: Convert to fraction form
    358,351.64/494,525.34 = 197,206.69/x
  3. Step 3: Cross multiply
    358,351.64x = 494,525.34 × 197,206.69
  4. Step 4: Simplify right side
    358,351.64x = 97,523,705,422.52
  5. Step 5: Solve for x
    x = 97,523,705,422.52/358,351.64
  6. Step 6: Final answer
    x = 272,145.27

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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.