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Finding the Fourth Proportional to 382,030.70, 573,046.05 and 346,601.30

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Solution

The fourth proportional to 382,030.70, 573,046.05 and 346,601.30 is: 519,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,030.70 : 573,046.05 = 346,601.30 : x
  2. Step 2: Convert to fraction form
    382,030.70/573,046.05 = 346,601.30/x
  3. Step 3: Cross multiply
    382,030.70x = 573,046.05 × 346,601.30
  4. Step 4: Simplify right side
    382,030.70x = 198,618,505,889.87
  5. Step 5: Solve for x
    x = 198,618,505,889.87/382,030.70
  6. Step 6: Final answer
    x = 519,901.95

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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.