Home / 361,423.03-498,766.71-200,280.77

Finding the Fourth Proportional to 361,423.03, 498,766.71 and 200,280.77

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Solution

The fourth proportional to 361,423.03, 498,766.71 and 200,280.77 is: 276,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,423.03 : 498,766.71 = 200,280.77 : x
  2. Step 2: Convert to fraction form
    361,423.03/498,766.71 = 200,280.77/x
  3. Step 3: Cross multiply
    361,423.03x = 498,766.71 × 200,280.77
  4. Step 4: Simplify right side
    361,423.03x = 99,893,378,235.33
  5. Step 5: Solve for x
    x = 99,893,378,235.33/361,423.03
  6. Step 6: Final answer
    x = 276,389.08

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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.