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Finding the Fourth Proportional to 361,242.76, 498,493.08 and 200,088.40

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Solution

The fourth proportional to 361,242.76, 498,493.08 and 200,088.40 is: 276,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,242.76 : 498,493.08 = 200,088.40 : x
  2. Step 2: Convert to fraction form
    361,242.76/498,493.08 = 200,088.40/x
  3. Step 3: Cross multiply
    361,242.76x = 498,493.08 × 200,088.40
  4. Step 4: Simplify right side
    361,242.76x = 99,742,682,788.27
  5. Step 5: Solve for x
    x = 99,742,682,788.27/361,242.76
  6. Step 6: Final answer
    x = 276,109.85

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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.