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Finding the Fourth Proportional to 994,704.16, 1,492,497.30 and 521,277

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Solution

The fourth proportional to 994,704.16, 1,492,497.30 and 521,277 is: 782,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,704.16 : 1,492,497.30 = 521,277 : x
  2. Step 2: Convert to fraction form
    994,704.16/1,492,497.30 = 521,277/x
  3. Step 3: Cross multiply
    994,704.16x = 1,492,497.30 × 521,277
  4. Step 4: Simplify right side
    994,704.16x = 778,004,515,052.10
  5. Step 5: Solve for x
    x = 778,004,515,052.10/994,704.16
  6. Step 6: Final answer
    x = 782,146.64

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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.