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Finding the Fourth Proportional to 363,650.70, 545,289.24 and 195,312.65

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Solution

The fourth proportional to 363,650.70, 545,289.24 and 195,312.65 is: 292,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,650.70 : 545,289.24 = 195,312.65 : x
  2. Step 2: Convert to fraction form
    363,650.70/545,289.24 = 195,312.65/x
  3. Step 3: Cross multiply
    363,650.70x = 545,289.24 × 195,312.65
  4. Step 4: Simplify right side
    363,650.70x = 106,501,886,480.89
  5. Step 5: Solve for x
    x = 106,501,886,480.89/363,650.70
  6. Step 6: Final answer
    x = 292,868.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.