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Finding the Fourth Proportional to 423,226.99, 584,052.42 and 229,634.64

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Solution

The fourth proportional to 423,226.99, 584,052.42 and 229,634.64 is: 316,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,226.99 : 584,052.42 = 229,634.64 : x
  2. Step 2: Convert to fraction form
    423,226.99/584,052.42 = 229,634.64/x
  3. Step 3: Cross multiply
    423,226.99x = 584,052.42 × 229,634.64
  4. Step 4: Simplify right side
    423,226.99x = 134,118,668,068.96
  5. Step 5: Solve for x
    x = 134,118,668,068.96/423,226.99
  6. Step 6: Final answer
    x = 316,895.36

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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.