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Finding the Fourth Proportional to 333,340.88, 459,999.24 and 190,147.28

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Solution

The fourth proportional to 333,340.88, 459,999.24 and 190,147.28 is: 262,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,340.88 : 459,999.24 = 190,147.28 : x
  2. Step 2: Convert to fraction form
    333,340.88/459,999.24 = 190,147.28/x
  3. Step 3: Cross multiply
    333,340.88x = 459,999.24 × 190,147.28
  4. Step 4: Simplify right side
    333,340.88x = 87,467,604,288.07
  5. Step 5: Solve for x
    x = 87,467,604,288.07/333,340.88
  6. Step 6: Final answer
    x = 262,396.87

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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.