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Finding the Fourth Proportional to 392,359.60, 588,567.95 and 164,426.42

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Solution

The fourth proportional to 392,359.60, 588,567.95 and 164,426.42 is: 246,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,359.60 : 588,567.95 = 164,426.42 : x
  2. Step 2: Convert to fraction form
    392,359.60/588,567.95 = 164,426.42/x
  3. Step 3: Cross multiply
    392,359.60x = 588,567.95 × 164,426.42
  4. Step 4: Simplify right side
    392,359.60x = 96,776,122,852.24
  5. Step 5: Solve for x
    x = 96,776,122,852.24/392,359.60
  6. Step 6: Final answer
    x = 246,651.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.