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Finding the Fourth Proportional to 363,651.70, 545,290.74 and 195,313.65

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Solution

The fourth proportional to 363,651.70, 545,290.74 and 195,313.65 is: 292,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,651.70 : 545,290.74 = 195,313.65 : x
  2. Step 2: Convert to fraction form
    363,651.70/545,290.74 = 195,313.65/x
  3. Step 3: Cross multiply
    363,651.70x = 545,290.74 × 195,313.65
  4. Step 4: Simplify right side
    363,651.70x = 106,502,724,740.60
  5. Step 5: Solve for x
    x = 106,502,724,740.60/363,651.70
  6. Step 6: Final answer
    x = 292,870.14

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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.