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Finding the Fourth Proportional to 440,838.30, 618,573.30 and 440,838.30

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Solution

The fourth proportional to 440,838.30, 618,573.30 and 440,838.30 is: 618,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,838.30 : 618,573.30 = 440,838.30 : x
  2. Step 2: Convert to fraction form
    440,838.30/618,573.30 = 440,838.30/x
  3. Step 3: Cross multiply
    440,838.30x = 618,573.30 × 440,838.30
  4. Step 4: Simplify right side
    440,838.30x = 272,690,801,997.39
  5. Step 5: Solve for x
    x = 272,690,801,997.39/440,838.30
  6. Step 6: Final answer
    x = 618,573.30

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1.5x scale

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.