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Finding the Fourth Proportional to 451,804.20, 677,706.30 and 114,844.20

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Solution

The fourth proportional to 451,804.20, 677,706.30 and 114,844.20 is: 172,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,804.20 : 677,706.30 = 114,844.20 : x
  2. Step 2: Convert to fraction form
    451,804.20/677,706.30 = 114,844.20/x
  3. Step 3: Cross multiply
    451,804.20x = 677,706.30 × 114,844.20
  4. Step 4: Simplify right side
    451,804.20x = 77,830,637,858.46
  5. Step 5: Solve for x
    x = 77,830,637,858.46/451,804.20
  6. Step 6: Final answer
    x = 172,266.30

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Similar ratio
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1.5x scale

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.