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Finding the Fourth Proportional to 358,707.93, 495,039.41 and 197,562.94

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Solution

The fourth proportional to 358,707.93, 495,039.41 and 197,562.94 is: 272,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,707.93 : 495,039.41 = 197,562.94 : x
  2. Step 2: Convert to fraction form
    358,707.93/495,039.41 = 197,562.94/x
  3. Step 3: Cross multiply
    358,707.93x = 495,039.41 × 197,562.94
  4. Step 4: Simplify right side
    358,707.93x = 97,801,439,770.91
  5. Step 5: Solve for x
    x = 97,801,439,770.91/358,707.93
  6. Step 6: Final answer
    x = 272,649.23

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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.