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Finding the Fourth Proportional to 967,992.80, 1,452,280.80 and 688,056.80

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Solution

The fourth proportional to 967,992.80, 1,452,280.80 and 688,056.80 is: 1,032,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,992.80 : 1,452,280.80 = 688,056.80 : x
  2. Step 2: Convert to fraction form
    967,992.80/1,452,280.80 = 688,056.80/x
  3. Step 3: Cross multiply
    967,992.80x = 1,452,280.80 × 688,056.80
  4. Step 4: Simplify right side
    967,992.80x = 999,251,679,949.44
  5. Step 5: Solve for x
    x = 999,251,679,949.44/967,992.80
  6. Step 6: Final answer
    x = 1,032,292.47

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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.