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Finding the Fourth Proportional to 358,940.07, 495,303.44 and 211,741.97

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Solution

The fourth proportional to 358,940.07, 495,303.44 and 211,741.97 is: 292,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,940.07 : 495,303.44 = 211,741.97 : x
  2. Step 2: Convert to fraction form
    358,940.07/495,303.44 = 211,741.97/x
  3. Step 3: Cross multiply
    358,940.07x = 495,303.44 × 211,741.97
  4. Step 4: Simplify right side
    358,940.07x = 104,876,522,598.15
  5. Step 5: Solve for x
    x = 104,876,522,598.15/358,940.07
  6. Step 6: Final answer
    x = 292,183.94

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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.