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Finding the Fourth Proportional to 445,394.34, 666,895.95 and 374,535.54

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Solution

The fourth proportional to 445,394.34, 666,895.95 and 374,535.54 is: 560,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,394.34 : 666,895.95 = 374,535.54 : x
  2. Step 2: Convert to fraction form
    445,394.34/666,895.95 = 374,535.54/x
  3. Step 3: Cross multiply
    445,394.34x = 666,895.95 × 374,535.54
  4. Step 4: Simplify right side
    445,394.34x = 249,776,234,757.06
  5. Step 5: Solve for x
    x = 249,776,234,757.06/445,394.34
  6. Step 6: Final answer
    x = 560,797.95

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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.