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Finding the Fourth Proportional to 273,036.70, 409,555.05 and 193,320.55

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Solution

The fourth proportional to 273,036.70, 409,555.05 and 193,320.55 is: 289,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,036.70 : 409,555.05 = 193,320.55 : x
  2. Step 2: Convert to fraction form
    273,036.70/409,555.05 = 193,320.55/x
  3. Step 3: Cross multiply
    273,036.70x = 409,555.05 × 193,320.55
  4. Step 4: Simplify right side
    273,036.70x = 79,175,407,521.28
  5. Step 5: Solve for x
    x = 79,175,407,521.28/273,036.70
  6. Step 6: Final answer
    x = 289,980.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.