Home / 355,583.20-533,374.80-329,663.20

Finding the Fourth Proportional to 355,583.20, 533,374.80 and 329,663.20

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Solution

The fourth proportional to 355,583.20, 533,374.80 and 329,663.20 is: 494,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,583.20 : 533,374.80 = 329,663.20 : x
  2. Step 2: Convert to fraction form
    355,583.20/533,374.80 = 329,663.20/x
  3. Step 3: Cross multiply
    355,583.20x = 533,374.80 × 329,663.20
  4. Step 4: Simplify right side
    355,583.20x = 175,834,043,367.36
  5. Step 5: Solve for x
    x = 175,834,043,367.36/355,583.20
  6. Step 6: Final answer
    x = 494,494.80

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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.