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Finding the Fourth Proportional to 468,903.27, 647,087.16 and 254,043.34

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Solution

The fourth proportional to 468,903.27, 647,087.16 and 254,043.34 is: 350,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,903.27 : 647,087.16 = 254,043.34 : x
  2. Step 2: Convert to fraction form
    468,903.27/647,087.16 = 254,043.34/x
  3. Step 3: Cross multiply
    468,903.27x = 647,087.16 × 254,043.34
  4. Step 4: Simplify right side
    468,903.27x = 164,388,181,779.80
  5. Step 5: Solve for x
    x = 164,388,181,779.80/468,903.27
  6. Step 6: Final answer
    x = 350,580.15

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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.