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Finding the Fourth Proportional to 291,009.70, 436,842.60 and 224,743.60

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Solution

The fourth proportional to 291,009.70, 436,842.60 and 224,743.60 is: 337,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,009.70 : 436,842.60 = 224,743.60 : x
  2. Step 2: Convert to fraction form
    291,009.70/436,842.60 = 224,743.60/x
  3. Step 3: Cross multiply
    291,009.70x = 436,842.60 × 224,743.60
  4. Step 4: Simplify right side
    291,009.70x = 98,177,578,557.36
  5. Step 5: Solve for x
    x = 98,177,578,557.36/291,009.70
  6. Step 6: Final answer
    x = 337,368.75

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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.