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Finding the Fourth Proportional to 306,312.84, 459,469.08 and 119,455.56

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Solution

The fourth proportional to 306,312.84, 459,469.08 and 119,455.56 is: 179,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,312.84 : 459,469.08 = 119,455.56 : x
  2. Step 2: Convert to fraction form
    306,312.84/459,469.08 = 119,455.56/x
  3. Step 3: Cross multiply
    306,312.84x = 459,469.08 × 119,455.56
  4. Step 4: Simplify right side
    306,312.84x = 54,886,136,254.08
  5. Step 5: Solve for x
    x = 54,886,136,254.08/306,312.84
  6. Step 6: Final answer
    x = 179,183.27

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1.5x scale

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.