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Finding the Fourth Proportional to 489,473.32, 733,255.89 and 275,587.45

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Solution

The fourth proportional to 489,473.32, 733,255.89 and 275,587.45 is: 412,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,473.32 : 733,255.89 = 275,587.45 : x
  2. Step 2: Convert to fraction form
    489,473.32/733,255.89 = 275,587.45/x
  3. Step 3: Cross multiply
    489,473.32x = 733,255.89 × 275,587.45
  4. Step 4: Simplify right side
    489,473.32x = 202,076,120,922.58
  5. Step 5: Solve for x
    x = 202,076,120,922.58/489,473.32
  6. Step 6: Final answer
    x = 412,844.00

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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.