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Finding the Fourth Proportional to 346,204.25, 477,763.31 and 187,228.25

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Solution

The fourth proportional to 346,204.25, 477,763.31 and 187,228.25 is: 258,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,204.25 : 477,763.31 = 187,228.25 : x
  2. Step 2: Convert to fraction form
    346,204.25/477,763.31 = 187,228.25/x
  3. Step 3: Cross multiply
    346,204.25x = 477,763.31 × 187,228.25
  4. Step 4: Simplify right side
    346,204.25x = 89,450,787,509.37
  5. Step 5: Solve for x
    x = 89,450,787,509.37/346,204.25
  6. Step 6: Final answer
    x = 258,375.76

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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.