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Finding the Fourth Proportional to 730,972.80, 1,094,490.90 and 730,972.80

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Solution

The fourth proportional to 730,972.80, 1,094,490.90 and 730,972.80 is: 1,094,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,972.80 : 1,094,490.90 = 730,972.80 : x
  2. Step 2: Convert to fraction form
    730,972.80/1,094,490.90 = 730,972.80/x
  3. Step 3: Cross multiply
    730,972.80x = 1,094,490.90 × 730,972.80
  4. Step 4: Simplify right side
    730,972.80x = 800,043,077,747.52
  5. Step 5: Solve for x
    x = 800,043,077,747.52/730,972.80
  6. Step 6: Final answer
    x = 1,094,490.90

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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.