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Finding the Fourth Proportional to 357,477.92, 493,325.04 and 196,339.52

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Solution

The fourth proportional to 357,477.92, 493,325.04 and 196,339.52 is: 270,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,477.92 : 493,325.04 = 196,339.52 : x
  2. Step 2: Convert to fraction form
    357,477.92/493,325.04 = 196,339.52/x
  3. Step 3: Cross multiply
    357,477.92x = 493,325.04 × 196,339.52
  4. Step 4: Simplify right side
    357,477.92x = 96,859,201,557.58
  5. Step 5: Solve for x
    x = 96,859,201,557.58/357,477.92
  6. Step 6: Final answer
    x = 270,951.56

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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.