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Finding the Fourth Proportional to 350,880.48, 526,489.20 and 275,531.04

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Solution

The fourth proportional to 350,880.48, 526,489.20 and 275,531.04 is: 413,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,880.48 : 526,489.20 = 275,531.04 : x
  2. Step 2: Convert to fraction form
    350,880.48/526,489.20 = 275,531.04/x
  3. Step 3: Cross multiply
    350,880.48x = 526,489.20 × 275,531.04
  4. Step 4: Simplify right side
    350,880.48x = 145,064,116,824.77
  5. Step 5: Solve for x
    x = 145,064,116,824.77/350,880.48
  6. Step 6: Final answer
    x = 413,428.86

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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.