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Finding the Fourth Proportional to 504,846.60, 756,348.30 and 307,624.20

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Solution

The fourth proportional to 504,846.60, 756,348.30 and 307,624.20 is: 460,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,846.60 : 756,348.30 = 307,624.20 : x
  2. Step 2: Convert to fraction form
    504,846.60/756,348.30 = 307,624.20/x
  3. Step 3: Cross multiply
    504,846.60x = 756,348.30 × 307,624.20
  4. Step 4: Simplify right side
    504,846.60x = 232,671,040,708.86
  5. Step 5: Solve for x
    x = 232,671,040,708.86/504,846.60
  6. Step 6: Final answer
    x = 460,874.73

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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.