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Finding the Fourth Proportional to 573,130.18, 859,642.55 and 194,007.61

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Solution

The fourth proportional to 573,130.18, 859,642.55 and 194,007.61 is: 290,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,130.18 : 859,642.55 = 194,007.61 : x
  2. Step 2: Convert to fraction form
    573,130.18/859,642.55 = 194,007.61/x
  3. Step 3: Cross multiply
    573,130.18x = 859,642.55 × 194,007.61
  4. Step 4: Simplify right side
    573,130.18x = 166,777,191,311.56
  5. Step 5: Solve for x
    x = 166,777,191,311.56/573,130.18
  6. Step 6: Final answer
    x = 290,993.56

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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.