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Finding the Fourth Proportional to 457,949.61, 632,046.11 and 254,066.21

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Solution

The fourth proportional to 457,949.61, 632,046.11 and 254,066.21 is: 350,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,949.61 : 632,046.11 = 254,066.21 : x
  2. Step 2: Convert to fraction form
    457,949.61/632,046.11 = 254,066.21/x
  3. Step 3: Cross multiply
    457,949.61x = 632,046.11 × 254,066.21
  4. Step 4: Simplify right side
    457,949.61x = 160,581,562,636.94
  5. Step 5: Solve for x
    x = 160,581,562,636.94/457,949.61
  6. Step 6: Final answer
    x = 350,653.34

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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.