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Finding the Fourth Proportional to 722,563.41, 994,862.56 and 613,451.93

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Solution

The fourth proportional to 722,563.41, 994,862.56 and 613,451.93 is: 844,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,563.41 : 994,862.56 = 613,451.93 : x
  2. Step 2: Convert to fraction form
    722,563.41/994,862.56 = 613,451.93/x
  3. Step 3: Cross multiply
    722,563.41x = 994,862.56 × 613,451.93
  4. Step 4: Simplify right side
    722,563.41x = 610,300,357,516.74
  5. Step 5: Solve for x
    x = 610,300,357,516.74/722,563.41
  6. Step 6: Final answer
    x = 844,632.25

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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.