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Finding the Fourth Proportional to 401,590.93, 554,190.33 and 229,506.97

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Solution

The fourth proportional to 401,590.93, 554,190.33 and 229,506.97 is: 316,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,590.93 : 554,190.33 = 229,506.97 : x
  2. Step 2: Convert to fraction form
    401,590.93/554,190.33 = 229,506.97/x
  3. Step 3: Cross multiply
    401,590.93x = 554,190.33 × 229,506.97
  4. Step 4: Simplify right side
    401,590.93x = 127,190,543,441.60
  5. Step 5: Solve for x
    x = 127,190,543,441.60/401,590.93
  6. Step 6: Final answer
    x = 316,716.67

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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.