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Finding the Fourth Proportional to 358,350.64, 494,523.96 and 197,205.69

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Solution

The fourth proportional to 358,350.64, 494,523.96 and 197,205.69 is: 272,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,350.64 : 494,523.96 = 197,205.69 : x
  2. Step 2: Convert to fraction form
    358,350.64/494,523.96 = 197,205.69/x
  3. Step 3: Cross multiply
    358,350.64x = 494,523.96 × 197,205.69
  4. Step 4: Simplify right side
    358,350.64x = 97,522,937,641.22
  5. Step 5: Solve for x
    x = 97,522,937,641.22/358,350.64
  6. Step 6: Final answer
    x = 272,143.89

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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.