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Finding the Fourth Proportional to 1,062,786.31, 1,593,834.05 and 352,623.67

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Solution

The fourth proportional to 1,062,786.31, 1,593,834.05 and 352,623.67 is: 528,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,786.31 : 1,593,834.05 = 352,623.67 : x
  2. Step 2: Convert to fraction form
    1,062,786.31/1,593,834.05 = 352,623.67/x
  3. Step 3: Cross multiply
    1,062,786.31x = 1,593,834.05 × 352,623.67
  4. Step 4: Simplify right side
    1,062,786.31x = 562,023,608,978.94
  5. Step 5: Solve for x
    x = 562,023,608,978.94/1,062,786.31
  6. Step 6: Final answer
    x = 528,820.90

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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.