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Finding the Fourth Proportional to 632,863.28, 873,348.54 and 346,382.48

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Solution

The fourth proportional to 632,863.28, 873,348.54 and 346,382.48 is: 478,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,863.28 : 873,348.54 = 346,382.48 : x
  2. Step 2: Convert to fraction form
    632,863.28/873,348.54 = 346,382.48/x
  3. Step 3: Cross multiply
    632,863.28x = 873,348.54 × 346,382.48
  4. Step 4: Simplify right side
    632,863.28x = 302,512,633,189.58
  5. Step 5: Solve for x
    x = 302,512,633,189.58/632,863.28
  6. Step 6: Final answer
    x = 478,006.30

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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.