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Finding the Fourth Proportional to 573,079.40, 859,619.10 and 274,143.84

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Solution

The fourth proportional to 573,079.40, 859,619.10 and 274,143.84 is: 411,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,079.40 : 859,619.10 = 274,143.84 : x
  2. Step 2: Convert to fraction form
    573,079.40/859,619.10 = 274,143.84/x
  3. Step 3: Cross multiply
    573,079.40x = 859,619.10 × 274,143.84
  4. Step 4: Simplify right side
    573,079.40x = 235,659,281,011.34
  5. Step 5: Solve for x
    x = 235,659,281,011.34/573,079.40
  6. Step 6: Final answer
    x = 411,215.76

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Similar ratio
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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.