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Finding the Fourth Proportional to 423,888.39, 584,821.30 and 262,684.62

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Solution

The fourth proportional to 423,888.39, 584,821.30 and 262,684.62 is: 362,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,888.39 : 584,821.30 = 262,684.62 : x
  2. Step 2: Convert to fraction form
    423,888.39/584,821.30 = 262,684.62/x
  3. Step 3: Cross multiply
    423,888.39x = 584,821.30 × 262,684.62
  4. Step 4: Simplify right side
    423,888.39x = 153,623,560,958.41
  5. Step 5: Solve for x
    x = 153,623,560,958.41/423,888.39
  6. Step 6: Final answer
    x = 362,415.12

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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.