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Finding the Fourth Proportional to 540,638.01, 746,050.32 and 298,906.47

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Solution

The fourth proportional to 540,638.01, 746,050.32 and 298,906.47 is: 412,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,638.01 : 746,050.32 = 298,906.47 : x
  2. Step 2: Convert to fraction form
    540,638.01/746,050.32 = 298,906.47/x
  3. Step 3: Cross multiply
    540,638.01x = 746,050.32 × 298,906.47
  4. Step 4: Simplify right side
    540,638.01x = 222,999,267,593.57
  5. Step 5: Solve for x
    x = 222,999,267,593.57/540,638.01
  6. Step 6: Final answer
    x = 412,474.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.