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Finding the Fourth Proportional to 523,039.55, 784,559.33 and 523,039.55

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Solution

The fourth proportional to 523,039.55, 784,559.33 and 523,039.55 is: 784,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,039.55 : 784,559.33 = 523,039.55 : x
  2. Step 2: Convert to fraction form
    523,039.55/784,559.33 = 523,039.55/x
  3. Step 3: Cross multiply
    523,039.55x = 784,559.33 × 523,039.55
  4. Step 4: Simplify right side
    523,039.55x = 410,355,556,296.30
  5. Step 5: Solve for x
    x = 410,355,556,296.30/523,039.55
  6. Step 6: Final answer
    x = 784,559.33

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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.