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Finding the Fourth Proportional to 519,353.40, 778,835.70 and 182,263.80

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Solution

The fourth proportional to 519,353.40, 778,835.70 and 182,263.80 is: 273,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,353.40 : 778,835.70 = 182,263.80 : x
  2. Step 2: Convert to fraction form
    519,353.40/778,835.70 = 182,263.80/x
  3. Step 3: Cross multiply
    519,353.40x = 778,835.70 × 182,263.80
  4. Step 4: Simplify right side
    519,353.40x = 141,953,554,257.66
  5. Step 5: Solve for x
    x = 141,953,554,257.66/519,353.40
  6. Step 6: Final answer
    x = 273,327.48

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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.