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Finding the Fourth Proportional to 335,854.30, 503,896.65 and 148,999.90

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Solution

The fourth proportional to 335,854.30, 503,896.65 and 148,999.90 is: 223,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,854.30 : 503,896.65 = 148,999.90 : x
  2. Step 2: Convert to fraction form
    335,854.30/503,896.65 = 148,999.90/x
  3. Step 3: Cross multiply
    335,854.30x = 503,896.65 × 148,999.90
  4. Step 4: Simplify right side
    335,854.30x = 75,080,550,460.34
  5. Step 5: Solve for x
    x = 75,080,550,460.34/335,854.30
  6. Step 6: Final answer
    x = 223,550.96

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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.