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Finding the Fourth Proportional to 460,718.01, 691,078.57 and 140,868.68

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Solution

The fourth proportional to 460,718.01, 691,078.57 and 140,868.68 is: 211,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,718.01 : 691,078.57 = 140,868.68 : x
  2. Step 2: Convert to fraction form
    460,718.01/691,078.57 = 140,868.68/x
  3. Step 3: Cross multiply
    460,718.01x = 691,078.57 × 140,868.68
  4. Step 4: Simplify right side
    460,718.01x = 97,351,322,124.62
  5. Step 5: Solve for x
    x = 97,351,322,124.62/460,718.01
  6. Step 6: Final answer
    x = 211,303.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.