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Finding the Fourth Proportional to 346,062.60, 519,191.10 and 168,575.40

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Solution

The fourth proportional to 346,062.60, 519,191.10 and 168,575.40 is: 252,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,062.60 : 519,191.10 = 168,575.40 : x
  2. Step 2: Convert to fraction form
    346,062.60/519,191.10 = 168,575.40/x
  3. Step 3: Cross multiply
    346,062.60x = 519,191.10 × 168,575.40
  4. Step 4: Simplify right side
    346,062.60x = 87,522,847,358.94
  5. Step 5: Solve for x
    x = 87,522,847,358.94/346,062.60
  6. Step 6: Final answer
    x = 252,910.45

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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.