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Finding the Fourth Proportional to 351,203.80, 526,805.70 and 173,835.40

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Solution

The fourth proportional to 351,203.80, 526,805.70 and 173,835.40 is: 260,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,203.80 : 526,805.70 = 173,835.40 : x
  2. Step 2: Convert to fraction form
    351,203.80/526,805.70 = 173,835.40/x
  3. Step 3: Cross multiply
    351,203.80x = 526,805.70 × 173,835.40
  4. Step 4: Simplify right side
    351,203.80x = 91,577,479,581.78
  5. Step 5: Solve for x
    x = 91,577,479,581.78/351,203.80
  6. Step 6: Final answer
    x = 260,753.10

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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.