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Finding the Fourth Proportional to 361,423.59, 498,767.49 and 200,281.34

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Solution

The fourth proportional to 361,423.59, 498,767.49 and 200,281.34 is: 276,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,423.59 : 498,767.49 = 200,281.34 : x
  2. Step 2: Convert to fraction form
    361,423.59/498,767.49 = 200,281.34/x
  3. Step 3: Cross multiply
    361,423.59x = 498,767.49 × 200,281.34
  4. Step 4: Simplify right side
    361,423.59x = 99,893,818,751.80
  5. Step 5: Solve for x
    x = 99,893,818,751.80/361,423.59
  6. Step 6: Final answer
    x = 276,389.87

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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.