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Finding the Fourth Proportional to 573,086.10, 859,629.15 and 548,817.30

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Solution

The fourth proportional to 573,086.10, 859,629.15 and 548,817.30 is: 823,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,086.10 : 859,629.15 = 548,817.30 : x
  2. Step 2: Convert to fraction form
    573,086.10/859,629.15 = 548,817.30/x
  3. Step 3: Cross multiply
    573,086.10x = 859,629.15 × 548,817.30
  4. Step 4: Simplify right side
    573,086.10x = 471,779,349,104.30
  5. Step 5: Solve for x
    x = 471,779,349,104.30/573,086.10
  6. Step 6: Final answer
    x = 823,225.95

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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.