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Finding the Fourth Proportional to 472,190.85, 651,548.88 and 265,418.46

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Solution

The fourth proportional to 472,190.85, 651,548.88 and 265,418.46 is: 366,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,190.85 : 651,548.88 = 265,418.46 : x
  2. Step 2: Convert to fraction form
    472,190.85/651,548.88 = 265,418.46/x
  3. Step 3: Cross multiply
    472,190.85x = 651,548.88 × 265,418.46
  4. Step 4: Simplify right side
    472,190.85x = 172,933,100,344.33
  5. Step 5: Solve for x
    x = 172,933,100,344.33/472,190.85
  6. Step 6: Final answer
    x = 366,235.60

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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.