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Finding the Fourth Proportional to 565,936.74, 847,485.48 and 338,091.83

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Solution

The fourth proportional to 565,936.74, 847,485.48 and 338,091.83 is: 506,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,936.74 : 847,485.48 = 338,091.83 : x
  2. Step 2: Convert to fraction form
    565,936.74/847,485.48 = 338,091.83/x
  3. Step 3: Cross multiply
    565,936.74x = 847,485.48 × 338,091.83
  4. Step 4: Simplify right side
    565,936.74x = 286,527,919,247.76
  5. Step 5: Solve for x
    x = 286,527,919,247.76/565,936.74
  6. Step 6: Final answer
    x = 506,289.66

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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.