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Finding the Fourth Proportional to 452,747, 625,315.74 and 301,581.56

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Solution

The fourth proportional to 452,747, 625,315.74 and 301,581.56 is: 416,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,747 : 625,315.74 = 301,581.56 : x
  2. Step 2: Convert to fraction form
    452,747/625,315.74 = 301,581.56/x
  3. Step 3: Cross multiply
    452,747x = 625,315.74 × 301,581.56
  4. Step 4: Simplify right side
    452,747x = 188,583,696,361.75
  5. Step 5: Solve for x
    x = 188,583,696,361.75/452,747
  6. Step 6: Final answer
    x = 416,532.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.