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Finding the Fourth Proportional to 405,551.82, 559,665.14 and 224,276.03

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Solution

The fourth proportional to 405,551.82, 559,665.14 and 224,276.03 is: 309,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,551.82 : 559,665.14 = 224,276.03 : x
  2. Step 2: Convert to fraction form
    405,551.82/559,665.14 = 224,276.03/x
  3. Step 3: Cross multiply
    405,551.82x = 559,665.14 × 224,276.03
  4. Step 4: Simplify right side
    405,551.82x = 125,519,471,808.89
  5. Step 5: Solve for x
    x = 125,519,471,808.89/405,551.82
  6. Step 6: Final answer
    x = 309,502.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.