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Finding the Fourth Proportional to 1,787,556.34, 2,680,764.71 and 589,255.30

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Solution

The fourth proportional to 1,787,556.34, 2,680,764.71 and 589,255.30 is: 883,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,556.34 : 2,680,764.71 = 589,255.30 : x
  2. Step 2: Convert to fraction form
    1,787,556.34/2,680,764.71 = 589,255.30/x
  3. Step 3: Cross multiply
    1,787,556.34x = 2,680,764.71 × 589,255.30
  4. Step 4: Simplify right side
    1,787,556.34x = 1,579,654,813,420.46
  5. Step 5: Solve for x
    x = 1,579,654,813,420.46/1,787,556.34
  6. Step 6: Final answer
    x = 883,695.12

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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.