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Finding the Fourth Proportional to 313,423.53, 432,622.94 and 200,246.01

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Solution

The fourth proportional to 313,423.53, 432,622.94 and 200,246.01 is: 276,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,423.53 : 432,622.94 = 200,246.01 : x
  2. Step 2: Convert to fraction form
    313,423.53/432,622.94 = 200,246.01/x
  3. Step 3: Cross multiply
    313,423.53x = 432,622.94 × 200,246.01
  4. Step 4: Simplify right side
    313,423.53x = 86,631,016,568.24
  5. Step 5: Solve for x
    x = 86,631,016,568.24/313,423.53
  6. Step 6: Final answer
    x = 276,402.40

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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.