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Finding the Fourth Proportional to 358,265.77, 494,396.56 and 197,120.93

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Solution

The fourth proportional to 358,265.77, 494,396.56 and 197,120.93 is: 272,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,265.77 : 494,396.56 = 197,120.93 : x
  2. Step 2: Convert to fraction form
    358,265.77/494,396.56 = 197,120.93/x
  3. Step 3: Cross multiply
    358,265.77x = 494,396.56 × 197,120.93
  4. Step 4: Simplify right side
    358,265.77x = 97,455,909,696.00
  5. Step 5: Solve for x
    x = 97,455,909,696.00/358,265.77
  6. Step 6: Final answer
    x = 272,021.27

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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.