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Finding the Fourth Proportional to 573,157.56, 859,860.56 and 173,829

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Solution

The fourth proportional to 573,157.56, 859,860.56 and 173,829 is: 260,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,157.56 : 859,860.56 = 173,829 : x
  2. Step 2: Convert to fraction form
    573,157.56/859,860.56 = 173,829/x
  3. Step 3: Cross multiply
    573,157.56x = 859,860.56 × 173,829
  4. Step 4: Simplify right side
    573,157.56x = 149,468,701,284.24
  5. Step 5: Solve for x
    x = 149,468,701,284.24/573,157.56
  6. Step 6: Final answer
    x = 260,781.17

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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.