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Finding the Fourth Proportional to 427,907.56, 590,521.64 and 234,323.44

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Solution

The fourth proportional to 427,907.56, 590,521.64 and 234,323.44 is: 323,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,907.56 : 590,521.64 = 234,323.44 : x
  2. Step 2: Convert to fraction form
    427,907.56/590,521.64 = 234,323.44/x
  3. Step 3: Cross multiply
    427,907.56x = 590,521.64 × 234,323.44
  4. Step 4: Simplify right side
    427,907.56x = 138,373,062,079.24
  5. Step 5: Solve for x
    x = 138,373,062,079.24/427,907.56
  6. Step 6: Final answer
    x = 323,371.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.