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Finding the Fourth Proportional to 591,274.40, 886,911.60 and 217,565.60

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Solution

The fourth proportional to 591,274.40, 886,911.60 and 217,565.60 is: 326,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,274.40 : 886,911.60 = 217,565.60 : x
  2. Step 2: Convert to fraction form
    591,274.40/886,911.60 = 217,565.60/x
  3. Step 3: Cross multiply
    591,274.40x = 886,911.60 × 217,565.60
  4. Step 4: Simplify right side
    591,274.40x = 192,961,454,400.96
  5. Step 5: Solve for x
    x = 192,961,454,400.96/591,274.40
  6. Step 6: Final answer
    x = 326,348.40

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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.