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Finding the Fourth Proportional to 573,087.80, 859,638.90 and 173,732.60

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Solution

The fourth proportional to 573,087.80, 859,638.90 and 173,732.60 is: 260,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,087.80 : 859,638.90 = 173,732.60 : x
  2. Step 2: Convert to fraction form
    573,087.80/859,638.90 = 173,732.60/x
  3. Step 3: Cross multiply
    573,087.80x = 859,638.90 × 173,732.60
  4. Step 4: Simplify right side
    573,087.80x = 149,347,301,158.14
  5. Step 5: Solve for x
    x = 149,347,301,158.14/573,087.80
  6. Step 6: Final answer
    x = 260,601.08

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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.