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Finding the Fourth Proportional to 573,309.42, 859,965.96 and 173,953.50

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Solution

The fourth proportional to 573,309.42, 859,965.96 and 173,953.50 is: 260,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,309.42 : 859,965.96 = 173,953.50 : x
  2. Step 2: Convert to fraction form
    573,309.42/859,965.96 = 173,953.50/x
  3. Step 3: Cross multiply
    573,309.42x = 859,965.96 × 173,953.50
  4. Step 4: Simplify right side
    573,309.42x = 149,594,088,622.86
  5. Step 5: Solve for x
    x = 149,594,088,622.86/573,309.42
  6. Step 6: Final answer
    x = 260,930.81

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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.