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Finding the Fourth Proportional to 484,605.47, 668,759.34 and 293,485.97

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Solution

The fourth proportional to 484,605.47, 668,759.34 and 293,485.97 is: 405,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,605.47 : 668,759.34 = 293,485.97 : x
  2. Step 2: Convert to fraction form
    484,605.47/668,759.34 = 293,485.97/x
  3. Step 3: Cross multiply
    484,605.47x = 668,759.34 × 293,485.97
  4. Step 4: Simplify right side
    484,605.47x = 196,271,480,252.66
  5. Step 5: Solve for x
    x = 196,271,480,252.66/484,605.47
  6. Step 6: Final answer
    x = 405,012.93

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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.