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Finding the Fourth Proportional to 489,207.60, 733,811.40 and 236,609.10

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Solution

The fourth proportional to 489,207.60, 733,811.40 and 236,609.10 is: 354,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,207.60 : 733,811.40 = 236,609.10 : x
  2. Step 2: Convert to fraction form
    489,207.60/733,811.40 = 236,609.10/x
  3. Step 3: Cross multiply
    489,207.60x = 733,811.40 × 236,609.10
  4. Step 4: Simplify right side
    489,207.60x = 173,626,454,923.74
  5. Step 5: Solve for x
    x = 173,626,454,923.74/489,207.60
  6. Step 6: Final answer
    x = 354,913.65

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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.