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Finding the Fourth Proportional to 362,291.44, 500,021.76 and 211,388.08

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Solution

The fourth proportional to 362,291.44, 500,021.76 and 211,388.08 is: 291,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,291.44 : 500,021.76 = 211,388.08 : x
  2. Step 2: Convert to fraction form
    362,291.44/500,021.76 = 211,388.08/x
  3. Step 3: Cross multiply
    362,291.44x = 500,021.76 × 211,388.08
  4. Step 4: Simplify right side
    362,291.44x = 105,698,639,804.62
  5. Step 5: Solve for x
    x = 105,698,639,804.62/362,291.44
  6. Step 6: Final answer
    x = 291,750.31

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1.5x scale

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.