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Finding the Fourth Proportional to 994,874.16, 1,492,524.48 and 320,994

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Solution

The fourth proportional to 994,874.16, 1,492,524.48 and 320,994 is: 481,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,874.16 : 1,492,524.48 = 320,994 : x
  2. Step 2: Convert to fraction form
    994,874.16/1,492,524.48 = 320,994/x
  3. Step 3: Cross multiply
    994,874.16x = 1,492,524.48 × 320,994
  4. Step 4: Simplify right side
    994,874.16x = 479,091,402,933.12
  5. Step 5: Solve for x
    x = 479,091,402,933.12/994,874.16
  6. Step 6: Final answer
    x = 481,559.80

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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.