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Finding the Fourth Proportional to 426,659.85, 588,792.60 and 233,070.21

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Solution

The fourth proportional to 426,659.85, 588,792.60 and 233,070.21 is: 321,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,659.85 : 588,792.60 = 233,070.21 : x
  2. Step 2: Convert to fraction form
    426,659.85/588,792.60 = 233,070.21/x
  3. Step 3: Cross multiply
    426,659.85x = 588,792.60 × 233,070.21
  4. Step 4: Simplify right side
    426,659.85x = 137,230,014,928.45
  5. Step 5: Solve for x
    x = 137,230,014,928.45/426,659.85
  6. Step 6: Final answer
    x = 321,637.99

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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.