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Finding the Fourth Proportional to 361,686.79, 499,155.98 and 200,573.23

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Solution

The fourth proportional to 361,686.79, 499,155.98 and 200,573.23 is: 276,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,686.79 : 499,155.98 = 200,573.23 : x
  2. Step 2: Convert to fraction form
    361,686.79/499,155.98 = 200,573.23/x
  3. Step 3: Cross multiply
    361,686.79x = 499,155.98 × 200,573.23
  4. Step 4: Simplify right side
    361,686.79x = 100,117,327,182.42
  5. Step 5: Solve for x
    x = 100,117,327,182.42/361,686.79
  6. Step 6: Final answer
    x = 276,806.70

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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.