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Finding the Fourth Proportional to 423,915.92, 585,003.83 and 232,941.61

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Solution

The fourth proportional to 423,915.92, 585,003.83 and 232,941.61 is: 321,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,915.92 : 585,003.83 = 232,941.61 : x
  2. Step 2: Convert to fraction form
    423,915.92/585,003.83 = 232,941.61/x
  3. Step 3: Cross multiply
    423,915.92x = 585,003.83 × 232,941.61
  4. Step 4: Simplify right side
    423,915.92x = 136,271,734,016.37
  5. Step 5: Solve for x
    x = 136,271,734,016.37/423,915.92
  6. Step 6: Final answer
    x = 321,459.35

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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.