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Finding the Fourth Proportional to 644,417.76, 967,025.56 and 374,672.76

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Solution

The fourth proportional to 644,417.76, 967,025.56 and 374,672.76 is: 562,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,417.76 : 967,025.56 = 374,672.76 : x
  2. Step 2: Convert to fraction form
    644,417.76/967,025.56 = 374,672.76/x
  3. Step 3: Cross multiply
    644,417.76x = 967,025.56 × 374,672.76
  4. Step 4: Simplify right side
    644,417.76x = 362,318,135,555.75
  5. Step 5: Solve for x
    x = 362,318,135,555.75/644,417.76
  6. Step 6: Final answer
    x = 562,241.08

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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.