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Finding the Fourth Proportional to 405,936.60, 560,417.70 and 244,832.28

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Solution

The fourth proportional to 405,936.60, 560,417.70 and 244,832.28 is: 338,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,936.60 : 560,417.70 = 244,832.28 : x
  2. Step 2: Convert to fraction form
    405,936.60/560,417.70 = 244,832.28/x
  3. Step 3: Cross multiply
    405,936.60x = 560,417.70 × 244,832.28
  4. Step 4: Simplify right side
    405,936.60x = 137,208,343,243.36
  5. Step 5: Solve for x
    x = 137,208,343,243.36/405,936.60
  6. Step 6: Final answer
    x = 338,004.37

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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.