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Finding the Fourth Proportional to 351,002.80, 526,504.20 and 310,324.60

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Solution

The fourth proportional to 351,002.80, 526,504.20 and 310,324.60 is: 465,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,002.80 : 526,504.20 = 310,324.60 : x
  2. Step 2: Convert to fraction form
    351,002.80/526,504.20 = 310,324.60/x
  3. Step 3: Cross multiply
    351,002.80x = 526,504.20 × 310,324.60
  4. Step 4: Simplify right side
    351,002.80x = 163,387,205,263.32
  5. Step 5: Solve for x
    x = 163,387,205,263.32/351,002.80
  6. Step 6: Final answer
    x = 465,486.90

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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.