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Finding the Fourth Proportional to 441,101.55, 661,652.33 and 402,610.35

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Solution

The fourth proportional to 441,101.55, 661,652.33 and 402,610.35 is: 603,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,101.55 : 661,652.33 = 402,610.35 : x
  2. Step 2: Convert to fraction form
    441,101.55/661,652.33 = 402,610.35/x
  3. Step 3: Cross multiply
    441,101.55x = 661,652.33 × 402,610.35
  4. Step 4: Simplify right side
    441,101.55x = 266,388,074,146.56
  5. Step 5: Solve for x
    x = 266,388,074,146.56/441,101.55
  6. Step 6: Final answer
    x = 603,915.53

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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.