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Finding the Fourth Proportional to 332,417.70, 461,833.35 and 328,431.87

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Solution

The fourth proportional to 332,417.70, 461,833.35 and 328,431.87 is: 456,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,417.70 : 461,833.35 = 328,431.87 : x
  2. Step 2: Convert to fraction form
    332,417.70/461,833.35 = 328,431.87/x
  3. Step 3: Cross multiply
    332,417.70x = 461,833.35 × 328,431.87
  4. Step 4: Simplify right side
    332,417.70x = 151,680,790,768.87
  5. Step 5: Solve for x
    x = 151,680,790,768.87/332,417.70
  6. Step 6: Final answer
    x = 456,295.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.