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Finding the Fourth Proportional to 489,265.20, 733,897.80 and 453,835.80

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Solution

The fourth proportional to 489,265.20, 733,897.80 and 453,835.80 is: 680,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,265.20 : 733,897.80 = 453,835.80 : x
  2. Step 2: Convert to fraction form
    489,265.20/733,897.80 = 453,835.80/x
  3. Step 3: Cross multiply
    489,265.20x = 733,897.80 × 453,835.80
  4. Step 4: Simplify right side
    489,265.20x = 333,069,095,181.24
  5. Step 5: Solve for x
    x = 333,069,095,181.24/489,265.20
  6. Step 6: Final answer
    x = 680,753.70

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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.