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Finding the Fourth Proportional to 482,969.80, 677,557.40 and 482,969.80

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Solution

The fourth proportional to 482,969.80, 677,557.40 and 482,969.80 is: 677,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,969.80 : 677,557.40 = 482,969.80 : x
  2. Step 2: Convert to fraction form
    482,969.80/677,557.40 = 482,969.80/x
  3. Step 3: Cross multiply
    482,969.80x = 677,557.40 × 482,969.80
  4. Step 4: Simplify right side
    482,969.80x = 327,239,761,966.52
  5. Step 5: Solve for x
    x = 327,239,761,966.52/482,969.80
  6. Step 6: Final answer
    x = 677,557.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.