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Finding the Fourth Proportional to 300,814.56, 415,124.58 and 164,826.90

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Solution

The fourth proportional to 300,814.56, 415,124.58 and 164,826.90 is: 227,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,814.56 : 415,124.58 = 164,826.90 : x
  2. Step 2: Convert to fraction form
    300,814.56/415,124.58 = 164,826.90/x
  3. Step 3: Cross multiply
    300,814.56x = 415,124.58 × 164,826.90
  4. Step 4: Simplify right side
    300,814.56x = 68,423,697,635.20
  5. Step 5: Solve for x
    x = 68,423,697,635.20/300,814.56
  6. Step 6: Final answer
    x = 227,461.39

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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.