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Finding the Fourth Proportional to 897,649.40, 1,344,505.80 and 797,922.20

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Solution

The fourth proportional to 897,649.40, 1,344,505.80 and 797,922.20 is: 1,195,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,649.40 : 1,344,505.80 = 797,922.20 : x
  2. Step 2: Convert to fraction form
    897,649.40/1,344,505.80 = 797,922.20/x
  3. Step 3: Cross multiply
    897,649.40x = 1,344,505.80 × 797,922.20
  4. Step 4: Simplify right side
    897,649.40x = 1,072,811,025,848.76
  5. Step 5: Solve for x
    x = 1,072,811,025,848.76/897,649.40
  6. Step 6: Final answer
    x = 1,195,133.67

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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.