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Finding the Fourth Proportional to 358,222.22, 494,345.93 and 197,076.89

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Solution

The fourth proportional to 358,222.22, 494,345.93 and 197,076.89 is: 271,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,222.22 : 494,345.93 = 197,076.89 : x
  2. Step 2: Convert to fraction form
    358,222.22/494,345.93 = 197,076.89/x
  3. Step 3: Cross multiply
    358,222.22x = 494,345.93 × 197,076.89
  4. Step 4: Simplify right side
    358,222.22x = 97,424,155,011.44
  5. Step 5: Solve for x
    x = 97,424,155,011.44/358,222.22
  6. Step 6: Final answer
    x = 271,965.69

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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.