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Finding the Fourth Proportional to 1,070.11, 1,476.82 and 598.11

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Solution

The fourth proportional to 1,070.11, 1,476.82 and 598.11 is: 825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.11 : 1,476.82 = 598.11 : x
  2. Step 2: Convert to fraction form
    1,070.11/1,476.82 = 598.11/x
  3. Step 3: Cross multiply
    1,070.11x = 1,476.82 × 598.11
  4. Step 4: Simplify right side
    1,070.11x = 883,300.81
  5. Step 5: Solve for x
    x = 883,300.81/1,070.11
  6. Step 6: Final answer
    x = 825.43

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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.