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Finding the Fourth Proportional to 1,459.99, 2,191.24 and 802.46

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Solution

The fourth proportional to 1,459.99, 2,191.24 and 802.46 is: 1,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.99 : 2,191.24 = 802.46 : x
  2. Step 2: Convert to fraction form
    1,459.99/2,191.24 = 802.46/x
  3. Step 3: Cross multiply
    1,459.99x = 2,191.24 × 802.46
  4. Step 4: Simplify right side
    1,459.99x = 1,758,382.45
  5. Step 5: Solve for x
    x = 1,758,382.45/1,459.99
  6. Step 6: Final answer
    x = 1,204.38

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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.