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Finding the Fourth Proportional to 658,235.20, 923,628.80 and 658,235.20

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Solution

The fourth proportional to 658,235.20, 923,628.80 and 658,235.20 is: 923,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,235.20 : 923,628.80 = 658,235.20 : x
  2. Step 2: Convert to fraction form
    658,235.20/923,628.80 = 658,235.20/x
  3. Step 3: Cross multiply
    658,235.20x = 923,628.80 × 658,235.20
  4. Step 4: Simplify right side
    658,235.20x = 607,964,987,893.76
  5. Step 5: Solve for x
    x = 607,964,987,893.76/658,235.20
  6. Step 6: Final answer
    x = 923,628.80

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.