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Finding the Fourth Proportional to 405,843.37, 560,080.35 and 224,552.35

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Solution

The fourth proportional to 405,843.37, 560,080.35 and 224,552.35 is: 309,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,843.37 : 560,080.35 = 224,552.35 : x
  2. Step 2: Convert to fraction form
    405,843.37/560,080.35 = 224,552.35/x
  3. Step 3: Cross multiply
    405,843.37x = 560,080.35 × 224,552.35
  4. Step 4: Simplify right side
    405,843.37x = 125,767,355,980.92
  5. Step 5: Solve for x
    x = 125,767,355,980.92/405,843.37
  6. Step 6: Final answer
    x = 309,891.37

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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.