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Finding the Fourth Proportional to 361,568.07, 498,911.55 and 200,423.07

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Solution

The fourth proportional to 361,568.07, 498,911.55 and 200,423.07 is: 276,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,568.07 : 498,911.55 = 200,423.07 : x
  2. Step 2: Convert to fraction form
    361,568.07/498,911.55 = 200,423.07/x
  3. Step 3: Cross multiply
    361,568.07x = 498,911.55 × 200,423.07
  4. Step 4: Simplify right side
    361,568.07x = 99,993,384,509.46
  5. Step 5: Solve for x
    x = 99,993,384,509.46/361,568.07
  6. Step 6: Final answer
    x = 276,554.80

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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.