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Finding the Fourth Proportional to 405,399.04, 559,450.32 and 244,260.88

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Solution

The fourth proportional to 405,399.04, 559,450.32 and 244,260.88 is: 337,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,399.04 : 559,450.32 = 244,260.88 : x
  2. Step 2: Convert to fraction form
    405,399.04/559,450.32 = 244,260.88/x
  3. Step 3: Cross multiply
    405,399.04x = 559,450.32 × 244,260.88
  4. Step 4: Simplify right side
    405,399.04x = 136,651,827,479.48
  5. Step 5: Solve for x
    x = 136,651,827,479.48/405,399.04
  6. Step 6: Final answer
    x = 337,079.80

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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.