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Finding the Fourth Proportional to 423,228.50, 584,054.49 and 229,636.14

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Solution

The fourth proportional to 423,228.50, 584,054.49 and 229,636.14 is: 316,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,228.50 : 584,054.49 = 229,636.14 : x
  2. Step 2: Convert to fraction form
    423,228.50/584,054.49 = 229,636.14/x
  3. Step 3: Cross multiply
    423,228.50x = 584,054.49 × 229,636.14
  4. Step 4: Simplify right side
    423,228.50x = 134,120,018,633.27
  5. Step 5: Solve for x
    x = 134,120,018,633.27/423,228.50
  6. Step 6: Final answer
    x = 316,897.42

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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.