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Finding the Fourth Proportional to 595,222.28, 821,412.78 and 323,292.80

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Solution

The fourth proportional to 595,222.28, 821,412.78 and 323,292.80 is: 446,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,222.28 : 821,412.78 = 323,292.80 : x
  2. Step 2: Convert to fraction form
    595,222.28/821,412.78 = 323,292.80/x
  3. Step 3: Cross multiply
    595,222.28x = 821,412.78 × 323,292.80
  4. Step 4: Simplify right side
    595,222.28x = 265,556,837,601.98
  5. Step 5: Solve for x
    x = 265,556,837,601.98/595,222.28
  6. Step 6: Final answer
    x = 446,147.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.