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Finding the Fourth Proportional to 573,042.87, 859,563.23 and 152,318.75

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Solution

The fourth proportional to 573,042.87, 859,563.23 and 152,318.75 is: 228,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,042.87 : 859,563.23 = 152,318.75 : x
  2. Step 2: Convert to fraction form
    573,042.87/859,563.23 = 152,318.75/x
  3. Step 3: Cross multiply
    573,042.87x = 859,563.23 × 152,318.75
  4. Step 4: Simplify right side
    573,042.87x = 130,927,591,680.15
  5. Step 5: Solve for x
    x = 130,927,591,680.15/573,042.87
  6. Step 6: Final answer
    x = 228,477.83

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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.