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Finding the Fourth Proportional to 336,806.01, 505,303.79 and 147,283.02

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Solution

The fourth proportional to 336,806.01, 505,303.79 and 147,283.02 is: 220,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,806.01 : 505,303.79 = 147,283.02 : x
  2. Step 2: Convert to fraction form
    336,806.01/505,303.79 = 147,283.02/x
  3. Step 3: Cross multiply
    336,806.01x = 505,303.79 × 147,283.02
  4. Step 4: Simplify right side
    336,806.01x = 74,422,668,208.65
  5. Step 5: Solve for x
    x = 74,422,668,208.65/336,806.01
  6. Step 6: Final answer
    x = 220,965.97

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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.