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Finding the Fourth Proportional to 382,261.80, 527,594.40 and 253,201.80

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Solution

The fourth proportional to 382,261.80, 527,594.40 and 253,201.80 is: 349,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,261.80 : 527,594.40 = 253,201.80 : x
  2. Step 2: Convert to fraction form
    382,261.80/527,594.40 = 253,201.80/x
  3. Step 3: Cross multiply
    382,261.80x = 527,594.40 × 253,201.80
  4. Step 4: Simplify right side
    382,261.80x = 133,587,851,749.92
  5. Step 5: Solve for x
    x = 133,587,851,749.92/382,261.80
  6. Step 6: Final answer
    x = 349,466.91

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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.