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Finding the Fourth Proportional to 358,909.01, 495,316.50 and 197,764.02

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Solution

The fourth proportional to 358,909.01, 495,316.50 and 197,764.02 is: 272,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,909.01 : 495,316.50 = 197,764.02 : x
  2. Step 2: Convert to fraction form
    358,909.01/495,316.50 = 197,764.02/x
  3. Step 3: Cross multiply
    358,909.01x = 495,316.50 × 197,764.02
  4. Step 4: Simplify right side
    358,909.01x = 97,955,782,212.33
  5. Step 5: Solve for x
    x = 97,955,782,212.33/358,909.01
  6. Step 6: Final answer
    x = 272,926.51

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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.