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Finding the Fourth Proportional to 358,667.64, 494,957.61 and 197,519.27

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Solution

The fourth proportional to 358,667.64, 494,957.61 and 197,519.27 is: 272,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,667.64 : 494,957.61 = 197,519.27 : x
  2. Step 2: Convert to fraction form
    358,667.64/494,957.61 = 197,519.27/x
  3. Step 3: Cross multiply
    358,667.64x = 494,957.61 × 197,519.27
  4. Step 4: Simplify right side
    358,667.64x = 97,763,663,333.36
  5. Step 5: Solve for x
    x = 97,763,663,333.36/358,667.64
  6. Step 6: Final answer
    x = 272,574.53

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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.