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Finding the Fourth Proportional to 886,889.89, 1,330,665.32 and 532,158.49

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Solution

The fourth proportional to 886,889.89, 1,330,665.32 and 532,158.49 is: 798,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,889.89 : 1,330,665.32 = 532,158.49 : x
  2. Step 2: Convert to fraction form
    886,889.89/1,330,665.32 = 532,158.49/x
  3. Step 3: Cross multiply
    886,889.89x = 1,330,665.32 × 532,158.49
  4. Step 4: Simplify right side
    886,889.89x = 708,124,847,386.57
  5. Step 5: Solve for x
    x = 708,124,847,386.57/886,889.89
  6. Step 6: Final answer
    x = 798,436.04

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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.