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Finding the Fourth Proportional to 573,039.56, 859,558.40 and 152,315.44

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Solution

The fourth proportional to 573,039.56, 859,558.40 and 152,315.44 is: 228,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,039.56 : 859,558.40 = 152,315.44 : x
  2. Step 2: Convert to fraction form
    573,039.56/859,558.40 = 152,315.44/x
  3. Step 3: Cross multiply
    573,039.56x = 859,558.40 × 152,315.44
  4. Step 4: Simplify right side
    573,039.56x = 130,924,015,901.70
  5. Step 5: Solve for x
    x = 130,924,015,901.70/573,039.56
  6. Step 6: Final answer
    x = 228,472.91

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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.