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Finding the Fourth Proportional to 303,758.60, 455,965.95 and 170,898.35

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Solution

The fourth proportional to 303,758.60, 455,965.95 and 170,898.35 is: 256,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,758.60 : 455,965.95 = 170,898.35 : x
  2. Step 2: Convert to fraction form
    303,758.60/455,965.95 = 170,898.35/x
  3. Step 3: Cross multiply
    303,758.60x = 455,965.95 × 170,898.35
  4. Step 4: Simplify right side
    303,758.60x = 77,923,828,511.18
  5. Step 5: Solve for x
    x = 77,923,828,511.18/303,758.60
  6. Step 6: Final answer
    x = 256,532.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.