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Finding the Fourth Proportional to 383,708.16, 575,069.58 and 183,728.88

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Solution

The fourth proportional to 383,708.16, 575,069.58 and 183,728.88 is: 275,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,708.16 : 575,069.58 = 183,728.88 : x
  2. Step 2: Convert to fraction form
    383,708.16/575,069.58 = 183,728.88/x
  3. Step 3: Cross multiply
    383,708.16x = 575,069.58 × 183,728.88
  4. Step 4: Simplify right side
    383,708.16x = 105,656,889,855.47
  5. Step 5: Solve for x
    x = 105,656,889,855.47/383,708.16
  6. Step 6: Final answer
    x = 275,357.42

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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.