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Finding the Fourth Proportional to 1,070.07, 1,476.68 and 598

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Solution

The fourth proportional to 1,070.07, 1,476.68 and 598 is: 825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.07 : 1,476.68 = 598 : x
  2. Step 2: Convert to fraction form
    1,070.07/1,476.68 = 598/x
  3. Step 3: Cross multiply
    1,070.07x = 1,476.68 × 598
  4. Step 4: Simplify right side
    1,070.07x = 883,054.64
  5. Step 5: Solve for x
    x = 883,054.64/1,070.07
  6. Step 6: Final answer
    x = 825.23

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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.