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Finding the Fourth Proportional to 489,208.10, 733,812.16 and 236,609.60

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Solution

The fourth proportional to 489,208.10, 733,812.16 and 236,609.60 is: 354,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,208.10 : 733,812.16 = 236,609.60 : x
  2. Step 2: Convert to fraction form
    489,208.10/733,812.16 = 236,609.60/x
  3. Step 3: Cross multiply
    489,208.10x = 733,812.16 × 236,609.60
  4. Step 4: Simplify right side
    489,208.10x = 173,627,001,652.74
  5. Step 5: Solve for x
    x = 173,627,001,652.74/489,208.10
  6. Step 6: Final answer
    x = 354,914.40

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Similar ratio
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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.