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Finding the Fourth Proportional to 444,636.76, 613,541.02 and 253,638.76

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Solution

The fourth proportional to 444,636.76, 613,541.02 and 253,638.76 is: 349,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,636.76 : 613,541.02 = 253,638.76 : x
  2. Step 2: Convert to fraction form
    444,636.76/613,541.02 = 253,638.76/x
  3. Step 3: Cross multiply
    444,636.76x = 613,541.02 × 253,638.76
  4. Step 4: Simplify right side
    444,636.76x = 155,617,783,521.94
  5. Step 5: Solve for x
    x = 155,617,783,521.94/444,636.76
  6. Step 6: Final answer
    x = 349,988.57

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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.