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Finding the Fourth Proportional to 1,461.86, 2,192.66 and 366.22

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Solution

The fourth proportional to 1,461.86, 2,192.66 and 366.22 is: 549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.86 : 2,192.66 = 366.22 : x
  2. Step 2: Convert to fraction form
    1,461.86/2,192.66 = 366.22/x
  3. Step 3: Cross multiply
    1,461.86x = 2,192.66 × 366.22
  4. Step 4: Simplify right side
    1,461.86x = 802,990.01
  5. Step 5: Solve for x
    x = 802,990.01/1,461.86
  6. Step 6: Final answer
    x = 549.30

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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.