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Finding the Fourth Proportional to 293,830.75, 405,544.58 and 190,592.88

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Solution

The fourth proportional to 293,830.75, 405,544.58 and 190,592.88 is: 263,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,830.75 : 405,544.58 = 190,592.88 : x
  2. Step 2: Convert to fraction form
    293,830.75/405,544.58 = 190,592.88/x
  3. Step 3: Cross multiply
    293,830.75x = 405,544.58 × 190,592.88
  4. Step 4: Simplify right side
    293,830.75x = 77,293,911,064.83
  5. Step 5: Solve for x
    x = 77,293,911,064.83/293,830.75
  6. Step 6: Final answer
    x = 263,055.90

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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.