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Finding the Fourth Proportional to 361,274.79, 498,552.68 and 200,129.34

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Solution

The fourth proportional to 361,274.79, 498,552.68 and 200,129.34 is: 276,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,274.79 : 498,552.68 = 200,129.34 : x
  2. Step 2: Convert to fraction form
    361,274.79/498,552.68 = 200,129.34/x
  3. Step 3: Cross multiply
    361,274.79x = 498,552.68 × 200,129.34
  4. Step 4: Simplify right side
    361,274.79x = 99,775,018,803.63
  5. Step 5: Solve for x
    x = 99,775,018,803.63/361,274.79
  6. Step 6: Final answer
    x = 276,174.87

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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.