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Finding the Fourth Proportional to 332,344.16, 458,687.60 and 211,359.32

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Solution

The fourth proportional to 332,344.16, 458,687.60 and 211,359.32 is: 291,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,344.16 : 458,687.60 = 211,359.32 : x
  2. Step 2: Convert to fraction form
    332,344.16/458,687.60 = 211,359.32/x
  3. Step 3: Cross multiply
    332,344.16x = 458,687.60 × 211,359.32
  4. Step 4: Simplify right side
    332,344.16x = 96,947,899,228.43
  5. Step 5: Solve for x
    x = 96,947,899,228.43/332,344.16
  6. Step 6: Final answer
    x = 291,709.35

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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.