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Finding the Fourth Proportional to 522,027.63, 720,466.64 and 295,680.75

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Solution

The fourth proportional to 522,027.63, 720,466.64 and 295,680.75 is: 408,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,027.63 : 720,466.64 = 295,680.75 : x
  2. Step 2: Convert to fraction form
    522,027.63/720,466.64 = 295,680.75/x
  3. Step 3: Cross multiply
    522,027.63x = 720,466.64 × 295,680.75
  4. Step 4: Simplify right side
    522,027.63x = 213,028,114,986.78
  5. Step 5: Solve for x
    x = 213,028,114,986.78/522,027.63
  6. Step 6: Final answer
    x = 408,078.24

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Double scale
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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.