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Finding the Fourth Proportional to 688,435.68, 950,053.44 and 382,540.32

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Solution

The fourth proportional to 688,435.68, 950,053.44 and 382,540.32 is: 527,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,435.68 : 950,053.44 = 382,540.32 : x
  2. Step 2: Convert to fraction form
    688,435.68/950,053.44 = 382,540.32/x
  3. Step 3: Cross multiply
    688,435.68x = 950,053.44 × 382,540.32
  4. Step 4: Simplify right side
    688,435.68x = 363,433,746,954.70
  5. Step 5: Solve for x
    x = 363,433,746,954.70/688,435.68
  6. Step 6: Final answer
    x = 527,912.42

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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.