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Finding the Fourth Proportional to 489,002.80, 733,504.20 and 236,477.20

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Solution

The fourth proportional to 489,002.80, 733,504.20 and 236,477.20 is: 354,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,002.80 : 733,504.20 = 236,477.20 : x
  2. Step 2: Convert to fraction form
    489,002.80/733,504.20 = 236,477.20/x
  3. Step 3: Cross multiply
    489,002.80x = 733,504.20 × 236,477.20
  4. Step 4: Simplify right side
    489,002.80x = 173,457,019,404.24
  5. Step 5: Solve for x
    x = 173,457,019,404.24/489,002.80
  6. Step 6: Final answer
    x = 354,715.80

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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.