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Finding the Fourth Proportional to 531,708.53, 733,876.89 and 338,078.84

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Solution

The fourth proportional to 531,708.53, 733,876.89 and 338,078.84 is: 466,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,708.53 : 733,876.89 = 338,078.84 : x
  2. Step 2: Convert to fraction form
    531,708.53/733,876.89 = 338,078.84/x
  3. Step 3: Cross multiply
    531,708.53x = 733,876.89 × 338,078.84
  4. Step 4: Simplify right side
    531,708.53x = 248,108,247,674.01
  5. Step 5: Solve for x
    x = 248,108,247,674.01/531,708.53
  6. Step 6: Final answer
    x = 466,624.54

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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.