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Finding the Fourth Proportional to 359,702.37, 496,389.36 and 198,557.53

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Solution

The fourth proportional to 359,702.37, 496,389.36 and 198,557.53 is: 274,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,702.37 : 496,389.36 = 198,557.53 : x
  2. Step 2: Convert to fraction form
    359,702.37/496,389.36 = 198,557.53/x
  3. Step 3: Cross multiply
    359,702.37x = 496,389.36 × 198,557.53
  4. Step 4: Simplify right side
    359,702.37x = 98,561,844,743.50
  5. Step 5: Solve for x
    x = 98,561,844,743.50/359,702.37
  6. Step 6: Final answer
    x = 274,009.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.