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Finding the Fourth Proportional to 531,414.63, 733,315.44 and 298,876.39

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Solution

The fourth proportional to 531,414.63, 733,315.44 and 298,876.39 is: 412,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,414.63 : 733,315.44 = 298,876.39 : x
  2. Step 2: Convert to fraction form
    531,414.63/733,315.44 = 298,876.39/x
  3. Step 3: Cross multiply
    531,414.63x = 733,315.44 × 298,876.39
  4. Step 4: Simplify right side
    531,414.63x = 219,170,671,438.46
  5. Step 5: Solve for x
    x = 219,170,671,438.46/531,414.63
  6. Step 6: Final answer
    x = 412,428.75

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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.