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Finding the Fourth Proportional to 358,873.83, 495,243.45 and 197,725.14

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Solution

The fourth proportional to 358,873.83, 495,243.45 and 197,725.14 is: 272,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,873.83 : 495,243.45 = 197,725.14 : x
  2. Step 2: Convert to fraction form
    358,873.83/495,243.45 = 197,725.14/x
  3. Step 3: Cross multiply
    358,873.83x = 495,243.45 × 197,725.14
  4. Step 4: Simplify right side
    358,873.83x = 97,922,080,485.33
  5. Step 5: Solve for x
    x = 97,922,080,485.33/358,873.83
  6. Step 6: Final answer
    x = 272,859.35

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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.