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Finding the Fourth Proportional to 549,996.40, 825,071.40 and 234,450.80

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Solution

The fourth proportional to 549,996.40, 825,071.40 and 234,450.80 is: 351,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,996.40 : 825,071.40 = 234,450.80 : x
  2. Step 2: Convert to fraction form
    549,996.40/825,071.40 = 234,450.80/x
  3. Step 3: Cross multiply
    549,996.40x = 825,071.40 × 234,450.80
  4. Step 4: Simplify right side
    549,996.40x = 193,438,649,787.12
  5. Step 5: Solve for x
    x = 193,438,649,787.12/549,996.40
  6. Step 6: Final answer
    x = 351,708.94

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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.