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Finding the Fourth Proportional to 383,567.00, 529,303.21 and 213,768.32

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Solution

The fourth proportional to 383,567.00, 529,303.21 and 213,768.32 is: 294,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,567.00 : 529,303.21 = 213,768.32 : x
  2. Step 2: Convert to fraction form
    383,567.00/529,303.21 = 213,768.32/x
  3. Step 3: Cross multiply
    383,567.00x = 529,303.21 × 213,768.32
  4. Step 4: Simplify right side
    383,567.00x = 113,148,254,791.37
  5. Step 5: Solve for x
    x = 113,148,254,791.37/383,567.00
  6. Step 6: Final answer
    x = 294,989.55

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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.