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Finding the Fourth Proportional to 1,070.16, 1,476.71 and 597.96

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Solution

The fourth proportional to 1,070.16, 1,476.71 and 597.96 is: 825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.16 : 1,476.71 = 597.96 : x
  2. Step 2: Convert to fraction form
    1,070.16/1,476.71 = 597.96/x
  3. Step 3: Cross multiply
    1,070.16x = 1,476.71 × 597.96
  4. Step 4: Simplify right side
    1,070.16x = 883,010.52
  5. Step 5: Solve for x
    x = 883,010.52/1,070.16
  6. Step 6: Final answer
    x = 825.12

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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.