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Finding the Fourth Proportional to 1,353,974.04, 1,868,467.46 and 733,765.88

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Solution

The fourth proportional to 1,353,974.04, 1,868,467.46 and 733,765.88 is: 1,012,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,974.04 : 1,868,467.46 = 733,765.88 : x
  2. Step 2: Convert to fraction form
    1,353,974.04/1,868,467.46 = 733,765.88/x
  3. Step 3: Cross multiply
    1,353,974.04x = 1,868,467.46 × 733,765.88
  4. Step 4: Simplify right side
    1,353,974.04x = 1,371,017,671,040.60
  5. Step 5: Solve for x
    x = 1,371,017,671,040.60/1,353,974.04
  6. Step 6: Final answer
    x = 1,012,587.86

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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.