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Finding the Fourth Proportional to 325,762.68, 488,103.95 and 230,520.96

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Solution

The fourth proportional to 325,762.68, 488,103.95 and 230,520.96 is: 345,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,762.68 : 488,103.95 = 230,520.96 : x
  2. Step 2: Convert to fraction form
    325,762.68/488,103.95 = 230,520.96/x
  3. Step 3: Cross multiply
    325,762.68x = 488,103.95 × 230,520.96
  4. Step 4: Simplify right side
    325,762.68x = 112,518,191,133.79
  5. Step 5: Solve for x
    x = 112,518,191,133.79/325,762.68
  6. Step 6: Final answer
    x = 345,399.27

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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.