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Finding the Fourth Proportional to 980,180.30, 1,373,652.10 and 980,180.30

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Solution

The fourth proportional to 980,180.30, 1,373,652.10 and 980,180.30 is: 1,373,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,180.30 : 1,373,652.10 = 980,180.30 : x
  2. Step 2: Convert to fraction form
    980,180.30/1,373,652.10 = 980,180.30/x
  3. Step 3: Cross multiply
    980,180.30x = 1,373,652.10 × 980,180.30
  4. Step 4: Simplify right side
    980,180.30x = 1,346,426,727,473.63
  5. Step 5: Solve for x
    x = 1,346,426,727,473.63/980,180.30
  6. Step 6: Final answer
    x = 1,373,652.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.