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Finding the Fourth Proportional to 489,229.10, 733,843.66 and 471,514.40

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Solution

The fourth proportional to 489,229.10, 733,843.66 and 471,514.40 is: 707,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,229.10 : 733,843.66 = 471,514.40 : x
  2. Step 2: Convert to fraction form
    489,229.10/733,843.66 = 471,514.40/x
  3. Step 3: Cross multiply
    489,229.10x = 733,843.66 × 471,514.40
  4. Step 4: Simplify right side
    489,229.10x = 346,017,853,038.70
  5. Step 5: Solve for x
    x = 346,017,853,038.70/489,229.10
  6. Step 6: Final answer
    x = 707,271.61

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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.