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Finding the Fourth Proportional to 356,530.56, 534,435.95 and 223,504.26

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Solution

The fourth proportional to 356,530.56, 534,435.95 and 223,504.26 is: 335,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,530.56 : 534,435.95 = 223,504.26 : x
  2. Step 2: Convert to fraction form
    356,530.56/534,435.95 = 223,504.26/x
  3. Step 3: Cross multiply
    356,530.56x = 534,435.95 × 223,504.26
  4. Step 4: Simplify right side
    356,530.56x = 119,448,710,404.63
  5. Step 5: Solve for x
    x = 119,448,710,404.63/356,530.56
  6. Step 6: Final answer
    x = 335,030.78

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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.