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Finding the Fourth Proportional to 702,951.84, 1,054,209.72 and 253,614.30

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Solution

The fourth proportional to 702,951.84, 1,054,209.72 and 253,614.30 is: 380,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,951.84 : 1,054,209.72 = 253,614.30 : x
  2. Step 2: Convert to fraction form
    702,951.84/1,054,209.72 = 253,614.30/x
  3. Step 3: Cross multiply
    702,951.84x = 1,054,209.72 × 253,614.30
  4. Step 4: Simplify right side
    702,951.84x = 267,362,660,191.00
  5. Step 5: Solve for x
    x = 267,362,660,191.00/702,951.84
  6. Step 6: Final answer
    x = 380,342.78

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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.