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Finding the Fourth Proportional to 468,903.96, 647,088.11 and 254,044.02

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Solution

The fourth proportional to 468,903.96, 647,088.11 and 254,044.02 is: 350,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,903.96 : 647,088.11 = 254,044.02 : x
  2. Step 2: Convert to fraction form
    468,903.96/647,088.11 = 254,044.02/x
  3. Step 3: Cross multiply
    468,903.96x = 647,088.11 × 254,044.02
  4. Step 4: Simplify right side
    468,903.96x = 164,388,866,867.63
  5. Step 5: Solve for x
    x = 164,388,866,867.63/468,903.96
  6. Step 6: Final answer
    x = 350,581.10

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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.