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Finding the Fourth Proportional to 460,040.94, 690,126.21 and 160,477.83

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Solution

The fourth proportional to 460,040.94, 690,126.21 and 160,477.83 is: 240,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,040.94 : 690,126.21 = 160,477.83 : x
  2. Step 2: Convert to fraction form
    460,040.94/690,126.21 = 160,477.83/x
  3. Step 3: Cross multiply
    460,040.94x = 690,126.21 × 160,477.83
  4. Step 4: Simplify right side
    460,040.94x = 110,749,956,606.92
  5. Step 5: Solve for x
    x = 110,749,956,606.92/460,040.94
  6. Step 6: Final answer
    x = 240,739.35

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Why These Related Problems?

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