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Finding the Fourth Proportional to 356,525.55, 534,428.45 and 223,499.25

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Solution

The fourth proportional to 356,525.55, 534,428.45 and 223,499.25 is: 335,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,525.55 : 534,428.45 = 223,499.25 : x
  2. Step 2: Convert to fraction form
    356,525.55/534,428.45 = 223,499.25/x
  3. Step 3: Cross multiply
    356,525.55x = 534,428.45 × 223,499.25
  4. Step 4: Simplify right side
    356,525.55x = 119,444,357,753.66
  5. Step 5: Solve for x
    x = 119,444,357,753.66/356,525.55
  6. Step 6: Final answer
    x = 335,023.28

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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.