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Finding the Fourth Proportional to 1,046.99, 1,444.84 and 581.24

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Solution

The fourth proportional to 1,046.99, 1,444.84 and 581.24 is: 802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.99 : 1,444.84 = 581.24 : x
  2. Step 2: Convert to fraction form
    1,046.99/1,444.84 = 581.24/x
  3. Step 3: Cross multiply
    1,046.99x = 1,444.84 × 581.24
  4. Step 4: Simplify right side
    1,046.99x = 839,798.80
  5. Step 5: Solve for x
    x = 839,798.80/1,046.99
  6. Step 6: Final answer
    x = 802.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.