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Finding the Fourth Proportional to 441,098.40, 661,773.36 and 216,526.32

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Solution

The fourth proportional to 441,098.40, 661,773.36 and 216,526.32 is: 324,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,098.40 : 661,773.36 = 216,526.32 : x
  2. Step 2: Convert to fraction form
    441,098.40/661,773.36 = 216,526.32/x
  3. Step 3: Cross multiply
    441,098.40x = 661,773.36 × 216,526.32
  4. Step 4: Simplify right side
    441,098.40x = 143,291,350,314.84
  5. Step 5: Solve for x
    x = 143,291,350,314.84/441,098.40
  6. Step 6: Final answer
    x = 324,851.21

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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.