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Finding the Fourth Proportional to 496,152.06, 684,669 and 281,306.58

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Solution

The fourth proportional to 496,152.06, 684,669 and 281,306.58 is: 388,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,152.06 : 684,669 = 281,306.58 : x
  2. Step 2: Convert to fraction form
    496,152.06/684,669 = 281,306.58/x
  3. Step 3: Cross multiply
    496,152.06x = 684,669 × 281,306.58
  4. Step 4: Simplify right side
    496,152.06x = 192,601,894,822.02
  5. Step 5: Solve for x
    x = 192,601,894,822.02/496,152.06
  6. Step 6: Final answer
    x = 388,191.26

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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.