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Finding the Fourth Proportional to 535,475.10, 803,422.70 and 235,745.39

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Solution

The fourth proportional to 535,475.10, 803,422.70 and 235,745.39 is: 353,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,475.10 : 803,422.70 = 235,745.39 : x
  2. Step 2: Convert to fraction form
    535,475.10/803,422.70 = 235,745.39/x
  3. Step 3: Cross multiply
    535,475.10x = 803,422.70 × 235,745.39
  4. Step 4: Simplify right side
    535,475.10x = 189,403,194,940.98
  5. Step 5: Solve for x
    x = 189,403,194,940.98/535,475.10
  6. Step 6: Final answer
    x = 353,710.55

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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.