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Finding the Fourth Proportional to 346,321.80, 519,045.30 and 168,445.80

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Solution

The fourth proportional to 346,321.80, 519,045.30 and 168,445.80 is: 252,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,321.80 : 519,045.30 = 168,445.80 : x
  2. Step 2: Convert to fraction form
    346,321.80/519,045.30 = 168,445.80/x
  3. Step 3: Cross multiply
    346,321.80x = 519,045.30 × 168,445.80
  4. Step 4: Simplify right side
    346,321.80x = 87,431,000,794.74
  5. Step 5: Solve for x
    x = 87,431,000,794.74/346,321.80
  6. Step 6: Final answer
    x = 252,455.96

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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.