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Finding the Fourth Proportional to 521,758.88, 782,989.05 and 184,798.34

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Solution

The fourth proportional to 521,758.88, 782,989.05 and 184,798.34 is: 277,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,758.88 : 782,989.05 = 184,798.34 : x
  2. Step 2: Convert to fraction form
    521,758.88/782,989.05 = 184,798.34/x
  3. Step 3: Cross multiply
    521,758.88x = 782,989.05 × 184,798.34
  4. Step 4: Simplify right side
    521,758.88x = 144,695,076,678.18
  5. Step 5: Solve for x
    x = 144,695,076,678.18/521,758.88
  6. Step 6: Final answer
    x = 277,321.73

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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.