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Finding the Fourth Proportional to 346,609.80, 519,477.30 and 168,733.80

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Solution

The fourth proportional to 346,609.80, 519,477.30 and 168,733.80 is: 252,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,609.80 : 519,477.30 = 168,733.80 : x
  2. Step 2: Convert to fraction form
    346,609.80/519,477.30 = 168,733.80/x
  3. Step 3: Cross multiply
    346,609.80x = 519,477.30 × 168,733.80
  4. Step 4: Simplify right side
    346,609.80x = 87,653,378,842.74
  5. Step 5: Solve for x
    x = 87,653,378,842.74/346,609.80
  6. Step 6: Final answer
    x = 252,887.77

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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.