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Finding the Fourth Proportional to 1,070.12, 1,476.84 and 598.17

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Solution

The fourth proportional to 1,070.12, 1,476.84 and 598.17 is: 825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.12 : 1,476.84 = 598.17 : x
  2. Step 2: Convert to fraction form
    1,070.12/1,476.84 = 598.17/x
  3. Step 3: Cross multiply
    1,070.12x = 1,476.84 × 598.17
  4. Step 4: Simplify right side
    1,070.12x = 883,401.38
  5. Step 5: Solve for x
    x = 883,401.38/1,070.12
  6. Step 6: Final answer
    x = 825.51

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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.