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Finding the Fourth Proportional to 306,532.33, 423,073.16 and 202,984.01

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Solution

The fourth proportional to 306,532.33, 423,073.16 and 202,984.01 is: 280,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,532.33 : 423,073.16 = 202,984.01 : x
  2. Step 2: Convert to fraction form
    306,532.33/423,073.16 = 202,984.01/x
  3. Step 3: Cross multiply
    306,532.33x = 423,073.16 × 202,984.01
  4. Step 4: Simplify right side
    306,532.33x = 85,877,088,137.39
  5. Step 5: Solve for x
    x = 85,877,088,137.39/306,532.33
  6. Step 6: Final answer
    x = 280,156.70

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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.