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Finding the Fourth Proportional to 655,907.06, 982,335 and 633,177.56

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Solution

The fourth proportional to 655,907.06, 982,335 and 633,177.56 is: 948,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,907.06 : 982,335 = 633,177.56 : x
  2. Step 2: Convert to fraction form
    655,907.06/982,335 = 633,177.56/x
  3. Step 3: Cross multiply
    655,907.06x = 982,335 × 633,177.56
  4. Step 4: Simplify right side
    655,907.06x = 621,992,478,402.60
  5. Step 5: Solve for x
    x = 621,992,478,402.60/655,907.06
  6. Step 6: Final answer
    x = 948,293.62

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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.