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Finding the Fourth Proportional to 722,394.34, 997,574.30 and 540,790.98

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Solution

The fourth proportional to 722,394.34, 997,574.30 and 540,790.98 is: 746,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,394.34 : 997,574.30 = 540,790.98 : x
  2. Step 2: Convert to fraction form
    722,394.34/997,574.30 = 540,790.98/x
  3. Step 3: Cross multiply
    722,394.34x = 997,574.30 × 540,790.98
  4. Step 4: Simplify right side
    722,394.34x = 539,479,178,902.92
  5. Step 5: Solve for x
    x = 539,479,178,902.92/722,394.34
  6. Step 6: Final answer
    x = 746,793.20

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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.