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Finding the Fourth Proportional to 804,222.88, 1,205,980.08 and 377,880

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Solution

The fourth proportional to 804,222.88, 1,205,980.08 and 377,880 is: 566,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,222.88 : 1,205,980.08 = 377,880 : x
  2. Step 2: Convert to fraction form
    804,222.88/1,205,980.08 = 377,880/x
  3. Step 3: Cross multiply
    804,222.88x = 1,205,980.08 × 377,880
  4. Step 4: Simplify right side
    804,222.88x = 455,715,752,630.40
  5. Step 5: Solve for x
    x = 455,715,752,630.40/804,222.88
  6. Step 6: Final answer
    x = 566,653.55

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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.