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Finding the Fourth Proportional to 535,585.48, 738,435.46 and 392,096.41

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Solution

The fourth proportional to 535,585.48, 738,435.46 and 392,096.41 is: 540,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,585.48 : 738,435.46 = 392,096.41 : x
  2. Step 2: Convert to fraction form
    535,585.48/738,435.46 = 392,096.41/x
  3. Step 3: Cross multiply
    535,585.48x = 738,435.46 × 392,096.41
  4. Step 4: Simplify right side
    535,585.48x = 289,537,892,882.70
  5. Step 5: Solve for x
    x = 289,537,892,882.70/535,585.48
  6. Step 6: Final answer
    x = 540,600.71

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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.