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Finding the Fourth Proportional to 346,682.10, 520,073.55 and 147,002.10

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Solution

The fourth proportional to 346,682.10, 520,073.55 and 147,002.10 is: 220,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,682.10 : 520,073.55 = 147,002.10 : x
  2. Step 2: Convert to fraction form
    346,682.10/520,073.55 = 147,002.10/x
  3. Step 3: Cross multiply
    346,682.10x = 520,073.55 × 147,002.10
  4. Step 4: Simplify right side
    346,682.10x = 76,451,904,004.46
  5. Step 5: Solve for x
    x = 76,451,904,004.46/346,682.10
  6. Step 6: Final answer
    x = 220,524.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.