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Finding the Fourth Proportional to 312,676.16, 466,725.98 and 268,586.24

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Solution

The fourth proportional to 312,676.16, 466,725.98 and 268,586.24 is: 400,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,676.16 : 466,725.98 = 268,586.24 : x
  2. Step 2: Convert to fraction form
    312,676.16/466,725.98 = 268,586.24/x
  3. Step 3: Cross multiply
    312,676.16x = 466,725.98 × 268,586.24
  4. Step 4: Simplify right side
    312,676.16x = 125,356,172,401.95
  5. Step 5: Solve for x
    x = 125,356,172,401.95/312,676.16
  6. Step 6: Final answer
    x = 400,913.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.