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Finding the Fourth Proportional to 585,799.30, 878,698.95 and 211,734.82

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Solution

The fourth proportional to 585,799.30, 878,698.95 and 211,734.82 is: 317,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,799.30 : 878,698.95 = 211,734.82 : x
  2. Step 2: Convert to fraction form
    585,799.30/878,698.95 = 211,734.82/x
  3. Step 3: Cross multiply
    585,799.30x = 878,698.95 × 211,734.82
  4. Step 4: Simplify right side
    585,799.30x = 186,051,164,012.44
  5. Step 5: Solve for x
    x = 186,051,164,012.44/585,799.30
  6. Step 6: Final answer
    x = 317,602.23

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.