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Finding the Fourth Proportional to 702,955.11, 1,054,380.03 and 253,675.95

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Solution

The fourth proportional to 702,955.11, 1,054,380.03 and 253,675.95 is: 380,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,955.11 : 1,054,380.03 = 253,675.95 : x
  2. Step 2: Convert to fraction form
    702,955.11/1,054,380.03 = 253,675.95/x
  3. Step 3: Cross multiply
    702,955.11x = 1,054,380.03 × 253,675.95
  4. Step 4: Simplify right side
    702,955.11x = 267,470,855,771.28
  5. Step 5: Solve for x
    x = 267,470,855,771.28/702,955.11
  6. Step 6: Final answer
    x = 380,494.93

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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.