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Finding the Fourth Proportional to 574,910.10, 862,365.15 and 565,578.90

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Solution

The fourth proportional to 574,910.10, 862,365.15 and 565,578.90 is: 848,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,910.10 : 862,365.15 = 565,578.90 : x
  2. Step 2: Convert to fraction form
    574,910.10/862,365.15 = 565,578.90/x
  3. Step 3: Cross multiply
    574,910.10x = 862,365.15 × 565,578.90
  4. Step 4: Simplify right side
    574,910.10x = 487,735,532,935.34
  5. Step 5: Solve for x
    x = 487,735,532,935.34/574,910.10
  6. Step 6: Final answer
    x = 848,368.35

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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.