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Finding the Fourth Proportional to 324,583.80, 486,000.90 and 235,354.20

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Solution

The fourth proportional to 324,583.80, 486,000.90 and 235,354.20 is: 352,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,583.80 : 486,000.90 = 235,354.20 : x
  2. Step 2: Convert to fraction form
    324,583.80/486,000.90 = 235,354.20/x
  3. Step 3: Cross multiply
    324,583.80x = 486,000.90 × 235,354.20
  4. Step 4: Simplify right side
    324,583.80x = 114,382,353,018.78
  5. Step 5: Solve for x
    x = 114,382,353,018.78/324,583.80
  6. Step 6: Final answer
    x = 352,396.99

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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.