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Finding the Fourth Proportional to 373,334.58, 515,205.09 and 203,569.38

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Solution

The fourth proportional to 373,334.58, 515,205.09 and 203,569.38 is: 280,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,334.58 : 515,205.09 = 203,569.38 : x
  2. Step 2: Convert to fraction form
    373,334.58/515,205.09 = 203,569.38/x
  3. Step 3: Cross multiply
    373,334.58x = 515,205.09 × 203,569.38
  4. Step 4: Simplify right side
    373,334.58x = 104,879,980,744.14
  5. Step 5: Solve for x
    x = 104,879,980,744.14/373,334.58
  6. Step 6: Final answer
    x = 280,927.58

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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.