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Finding the Fourth Proportional to 595,220.28, 821,410.02 and 323,290.80

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Solution

The fourth proportional to 595,220.28, 821,410.02 and 323,290.80 is: 446,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,220.28 : 821,410.02 = 323,290.80 : x
  2. Step 2: Convert to fraction form
    595,220.28/821,410.02 = 323,290.80/x
  3. Step 3: Cross multiply
    595,220.28x = 821,410.02 × 323,290.80
  4. Step 4: Simplify right side
    595,220.28x = 265,554,302,493.82
  5. Step 5: Solve for x
    x = 265,554,302,493.82/595,220.28
  6. Step 6: Final answer
    x = 446,144.58

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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.