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Finding the Fourth Proportional to 347,562.35, 521,143.70 and 185,256.47

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Solution

The fourth proportional to 347,562.35, 521,143.70 and 185,256.47 is: 277,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,562.35 : 521,143.70 = 185,256.47 : x
  2. Step 2: Convert to fraction form
    347,562.35/521,143.70 = 185,256.47/x
  3. Step 3: Cross multiply
    347,562.35x = 521,143.70 × 185,256.47
  4. Step 4: Simplify right side
    347,562.35x = 96,545,238,692.74
  5. Step 5: Solve for x
    x = 96,545,238,692.74/347,562.35
  6. Step 6: Final answer
    x = 277,778.19

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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.