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Finding the Fourth Proportional to 493,674.38, 681,256.92 and 292,470.38

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Solution

The fourth proportional to 493,674.38, 681,256.92 and 292,470.38 is: 403,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,674.38 : 681,256.92 = 292,470.38 : x
  2. Step 2: Convert to fraction form
    493,674.38/681,256.92 = 292,470.38/x
  3. Step 3: Cross multiply
    493,674.38x = 681,256.92 × 292,470.38
  4. Step 4: Simplify right side
    493,674.38x = 199,247,470,270.03
  5. Step 5: Solve for x
    x = 199,247,470,270.03/493,674.38
  6. Step 6: Final answer
    x = 403,600.99

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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.