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Finding the Fourth Proportional to 383,383.80, 574,643.70 and 183,799.80

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Solution

The fourth proportional to 383,383.80, 574,643.70 and 183,799.80 is: 275,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,383.80 : 574,643.70 = 183,799.80 : x
  2. Step 2: Convert to fraction form
    383,383.80/574,643.70 = 183,799.80/x
  3. Step 3: Cross multiply
    383,383.80x = 574,643.70 × 183,799.80
  4. Step 4: Simplify right side
    383,383.80x = 105,619,397,131.26
  5. Step 5: Solve for x
    x = 105,619,397,131.26/383,383.80
  6. Step 6: Final answer
    x = 275,492.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.