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Finding the Fourth Proportional to 591,885.28, 887,916.32 and 217,879.84

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Solution

The fourth proportional to 591,885.28, 887,916.32 and 217,879.84 is: 326,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,885.28 : 887,916.32 = 217,879.84 : x
  2. Step 2: Convert to fraction form
    591,885.28/887,916.32 = 217,879.84/x
  3. Step 3: Cross multiply
    591,885.28x = 887,916.32 × 217,879.84
  4. Step 4: Simplify right side
    591,885.28x = 193,459,065,734.99
  5. Step 5: Solve for x
    x = 193,459,065,734.99/591,885.28
  6. Step 6: Final answer
    x = 326,852.30

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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.