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Finding the Fourth Proportional to 589,082.70, 883,040.85 and 289,317.90

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Solution

The fourth proportional to 589,082.70, 883,040.85 and 289,317.90 is: 433,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,082.70 : 883,040.85 = 289,317.90 : x
  2. Step 2: Convert to fraction form
    589,082.70/883,040.85 = 289,317.90/x
  3. Step 3: Cross multiply
    589,082.70x = 883,040.85 × 289,317.90
  4. Step 4: Simplify right side
    589,082.70x = 255,479,524,336.22
  5. Step 5: Solve for x
    x = 255,479,524,336.22/589,082.70
  6. Step 6: Final answer
    x = 433,690.42

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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.