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Finding the Fourth Proportional to 982,586.80, 1,473,880.20 and 866,465.20

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Solution

The fourth proportional to 982,586.80, 1,473,880.20 and 866,465.20 is: 1,299,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,586.80 : 1,473,880.20 = 866,465.20 : x
  2. Step 2: Convert to fraction form
    982,586.80/1,473,880.20 = 866,465.20/x
  3. Step 3: Cross multiply
    982,586.80x = 1,473,880.20 × 866,465.20
  4. Step 4: Simplify right side
    982,586.80x = 1,277,065,902,269.04
  5. Step 5: Solve for x
    x = 1,277,065,902,269.04/982,586.80
  6. Step 6: Final answer
    x = 1,299,697.80

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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.