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Finding the Fourth Proportional to 573,021.70, 859,230.15 and 193,812.10

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Solution

The fourth proportional to 573,021.70, 859,230.15 and 193,812.10 is: 290,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,021.70 : 859,230.15 = 193,812.10 : x
  2. Step 2: Convert to fraction form
    573,021.70/859,230.15 = 193,812.10/x
  3. Step 3: Cross multiply
    573,021.70x = 859,230.15 × 193,812.10
  4. Step 4: Simplify right side
    573,021.70x = 166,529,199,754.82
  5. Step 5: Solve for x
    x = 166,529,199,754.82/573,021.70
  6. Step 6: Final answer
    x = 290,615.87

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1.5x scale

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.