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Finding the Fourth Proportional to 410,840.20, 616,260.30 and 275,537.80

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Solution

The fourth proportional to 410,840.20, 616,260.30 and 275,537.80 is: 413,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,840.20 : 616,260.30 = 275,537.80 : x
  2. Step 2: Convert to fraction form
    410,840.20/616,260.30 = 275,537.80/x
  3. Step 3: Cross multiply
    410,840.20x = 616,260.30 × 275,537.80
  4. Step 4: Simplify right side
    410,840.20x = 169,803,007,289.34
  5. Step 5: Solve for x
    x = 169,803,007,289.34/410,840.20
  6. Step 6: Final answer
    x = 413,306.70

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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.