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Finding the Fourth Proportional to 361,571.13, 498,915.72 and 200,426.13

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Solution

The fourth proportional to 361,571.13, 498,915.72 and 200,426.13 is: 276,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,571.13 : 498,915.72 = 200,426.13 : x
  2. Step 2: Convert to fraction form
    361,571.13/498,915.72 = 200,426.13/x
  3. Step 3: Cross multiply
    361,571.13x = 498,915.72 × 200,426.13
  4. Step 4: Simplify right side
    361,571.13x = 99,995,746,955.76
  5. Step 5: Solve for x
    x = 99,995,746,955.76/361,571.13
  6. Step 6: Final answer
    x = 276,558.99

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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.