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Finding the Fourth Proportional to 332,787.78, 459,457.63 and 256,162.84

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Solution

The fourth proportional to 332,787.78, 459,457.63 and 256,162.84 is: 353,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,787.78 : 459,457.63 = 256,162.84 : x
  2. Step 2: Convert to fraction form
    332,787.78/459,457.63 = 256,162.84/x
  3. Step 3: Cross multiply
    332,787.78x = 459,457.63 × 256,162.84
  4. Step 4: Simplify right side
    332,787.78x = 117,695,969,571.42
  5. Step 5: Solve for x
    x = 117,695,969,571.42/332,787.78
  6. Step 6: Final answer
    x = 353,666.74

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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.