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Finding the Fourth Proportional to 573,326.60, 859,771.20 and 173,834.60

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Solution

The fourth proportional to 573,326.60, 859,771.20 and 173,834.60 is: 260,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,326.60 : 859,771.20 = 173,834.60 : x
  2. Step 2: Convert to fraction form
    573,326.60/859,771.20 = 173,834.60/x
  3. Step 3: Cross multiply
    573,326.60x = 859,771.20 × 173,834.60
  4. Step 4: Simplify right side
    573,326.60x = 149,457,982,643.52
  5. Step 5: Solve for x
    x = 149,457,982,643.52/573,326.60
  6. Step 6: Final answer
    x = 260,685.59

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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.