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Finding the Fourth Proportional to 722,396.81, 997,577.71 and 540,793.46

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Solution

The fourth proportional to 722,396.81, 997,577.71 and 540,793.46 is: 746,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,396.81 : 997,577.71 = 540,793.46 : x
  2. Step 2: Convert to fraction form
    722,396.81/997,577.71 = 540,793.46/x
  3. Step 3: Cross multiply
    722,396.81x = 997,577.71 × 540,793.46
  4. Step 4: Simplify right side
    722,396.81x = 539,483,493,717.92
  5. Step 5: Solve for x
    x = 539,483,493,717.92/722,396.81
  6. Step 6: Final answer
    x = 746,796.62

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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.