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Finding the Fourth Proportional to 460,937.30, 691,718.52 and 161,420.36

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Solution

The fourth proportional to 460,937.30, 691,718.52 and 161,420.36 is: 242,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,937.30 : 691,718.52 = 161,420.36 : x
  2. Step 2: Convert to fraction form
    460,937.30/691,718.52 = 161,420.36/x
  3. Step 3: Cross multiply
    460,937.30x = 691,718.52 × 161,420.36
  4. Step 4: Simplify right side
    460,937.30x = 111,657,452,517.07
  5. Step 5: Solve for x
    x = 111,657,452,517.07/460,937.30
  6. Step 6: Final answer
    x = 242,240.00

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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.