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Finding the Fourth Proportional to 277,900.32, 383,509.58 and 170,529.69

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Solution

The fourth proportional to 277,900.32, 383,509.58 and 170,529.69 is: 235,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,900.32 : 383,509.58 = 170,529.69 : x
  2. Step 2: Convert to fraction form
    277,900.32/383,509.58 = 170,529.69/x
  3. Step 3: Cross multiply
    277,900.32x = 383,509.58 × 170,529.69
  4. Step 4: Simplify right side
    277,900.32x = 65,399,768,936.78
  5. Step 5: Solve for x
    x = 65,399,768,936.78/277,900.32
  6. Step 6: Final answer
    x = 235,335.35

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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.