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Finding the Fourth Proportional to 346,537.80, 520,098.30 and 136,326.60

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Solution

The fourth proportional to 346,537.80, 520,098.30 and 136,326.60 is: 204,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,537.80 : 520,098.30 = 136,326.60 : x
  2. Step 2: Convert to fraction form
    346,537.80/520,098.30 = 136,326.60/x
  3. Step 3: Cross multiply
    346,537.80x = 520,098.30 × 136,326.60
  4. Step 4: Simplify right side
    346,537.80x = 70,903,232,904.78
  5. Step 5: Solve for x
    x = 70,903,232,904.78/346,537.80
  6. Step 6: Final answer
    x = 204,604.61

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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.