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Finding the Fourth Proportional to 358,899.48, 495,303.75 and 197,754.48

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Solution

The fourth proportional to 358,899.48, 495,303.75 and 197,754.48 is: 272,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,899.48 : 495,303.75 = 197,754.48 : x
  2. Step 2: Convert to fraction form
    358,899.48/495,303.75 = 197,754.48/x
  3. Step 3: Cross multiply
    358,899.48x = 495,303.75 × 197,754.48
  4. Step 4: Simplify right side
    358,899.48x = 97,948,535,523.30
  5. Step 5: Solve for x
    x = 97,948,535,523.30/358,899.48
  6. Step 6: Final answer
    x = 272,913.56

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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.