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Finding the Fourth Proportional to 658,352.80, 987,529.20 and 552,064.60

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Solution

The fourth proportional to 658,352.80, 987,529.20 and 552,064.60 is: 828,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,352.80 : 987,529.20 = 552,064.60 : x
  2. Step 2: Convert to fraction form
    658,352.80/987,529.20 = 552,064.60/x
  3. Step 3: Cross multiply
    658,352.80x = 987,529.20 × 552,064.60
  4. Step 4: Simplify right side
    658,352.80x = 545,179,912,786.32
  5. Step 5: Solve for x
    x = 545,179,912,786.32/658,352.80
  6. Step 6: Final answer
    x = 828,096.90

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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.