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Finding the Fourth Proportional to 383,807.39, 574,596 and 223,393.68

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Solution

The fourth proportional to 383,807.39, 574,596 and 223,393.68 is: 334,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,807.39 : 574,596 = 223,393.68 : x
  2. Step 2: Convert to fraction form
    383,807.39/574,596 = 223,393.68/x
  3. Step 3: Cross multiply
    383,807.39x = 574,596 × 223,393.68
  4. Step 4: Simplify right side
    383,807.39x = 128,361,114,953.28
  5. Step 5: Solve for x
    x = 128,361,114,953.28/383,807.39
  6. Step 6: Final answer
    x = 334,441.49

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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.