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Finding the Fourth Proportional to 489,235.40, 733,853.10 and 223,514.90

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Solution

The fourth proportional to 489,235.40, 733,853.10 and 223,514.90 is: 335,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,235.40 : 733,853.10 = 223,514.90 : x
  2. Step 2: Convert to fraction form
    489,235.40/733,853.10 = 223,514.90/x
  3. Step 3: Cross multiply
    489,235.40x = 733,853.10 × 223,514.90
  4. Step 4: Simplify right side
    489,235.40x = 164,027,102,261.19
  5. Step 5: Solve for x
    x = 164,027,102,261.19/489,235.40
  6. Step 6: Final answer
    x = 335,272.35

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Similar ratio
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1.5x scale

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.