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Finding the Fourth Proportional to 575,442.40, 863,163.60 and 575,442.40

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Solution

The fourth proportional to 575,442.40, 863,163.60 and 575,442.40 is: 863,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,442.40 : 863,163.60 = 575,442.40 : x
  2. Step 2: Convert to fraction form
    575,442.40/863,163.60 = 575,442.40/x
  3. Step 3: Cross multiply
    575,442.40x = 863,163.60 × 575,442.40
  4. Step 4: Simplify right side
    575,442.40x = 496,700,933,576.64
  5. Step 5: Solve for x
    x = 496,700,933,576.64/575,442.40
  6. Step 6: Final answer
    x = 863,163.60

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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.