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Finding the Fourth Proportional to 469,053.37, 647,294.20 and 254,193.43

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Solution

The fourth proportional to 469,053.37, 647,294.20 and 254,193.43 is: 350,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,053.37 : 647,294.20 = 254,193.43 : x
  2. Step 2: Convert to fraction form
    469,053.37/647,294.20 = 254,193.43/x
  3. Step 3: Cross multiply
    469,053.37x = 647,294.20 × 254,193.43
  4. Step 4: Simplify right side
    469,053.37x = 164,537,932,281.62
  5. Step 5: Solve for x
    x = 164,537,932,281.62/469,053.37
  6. Step 6: Final answer
    x = 350,787.23

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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.