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Finding the Fourth Proportional to 423,636.75, 584,628.87 and 232,654.23

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Solution

The fourth proportional to 423,636.75, 584,628.87 and 232,654.23 is: 321,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,636.75 : 584,628.87 = 232,654.23 : x
  2. Step 2: Convert to fraction form
    423,636.75/584,628.87 = 232,654.23/x
  3. Step 3: Cross multiply
    423,636.75x = 584,628.87 × 232,654.23
  4. Step 4: Simplify right side
    423,636.75x = 136,016,379,585.62
  5. Step 5: Solve for x
    x = 136,016,379,585.62/423,636.75
  6. Step 6: Final answer
    x = 321,068.41

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1.5x scale

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.