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Finding the Fourth Proportional to 331,777.32, 457,852.92 and 180,874.32

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Solution

The fourth proportional to 331,777.32, 457,852.92 and 180,874.32 is: 249,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777.32 : 457,852.92 = 180,874.32 : x
  2. Step 2: Convert to fraction form
    331,777.32/457,852.92 = 180,874.32/x
  3. Step 3: Cross multiply
    331,777.32x = 457,852.92 × 180,874.32
  4. Step 4: Simplify right side
    331,777.32x = 82,813,835,565.01
  5. Step 5: Solve for x
    x = 82,813,835,565.01/331,777.32
  6. Step 6: Final answer
    x = 249,606.68

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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.