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Finding the Fourth Proportional to 662,982.80, 994,474.20 and 559,302.80

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Solution

The fourth proportional to 662,982.80, 994,474.20 and 559,302.80 is: 838,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,982.80 : 994,474.20 = 559,302.80 : x
  2. Step 2: Convert to fraction form
    662,982.80/994,474.20 = 559,302.80/x
  3. Step 3: Cross multiply
    662,982.80x = 994,474.20 × 559,302.80
  4. Step 4: Simplify right side
    662,982.80x = 556,212,204,587.76
  5. Step 5: Solve for x
    x = 556,212,204,587.76/662,982.80
  6. Step 6: Final answer
    x = 838,954.20

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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.