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Finding the Fourth Proportional to 1,010.07, 1,394.01 and 567.96

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Solution

The fourth proportional to 1,010.07, 1,394.01 and 567.96 is: 783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.07 : 1,394.01 = 567.96 : x
  2. Step 2: Convert to fraction form
    1,010.07/1,394.01 = 567.96/x
  3. Step 3: Cross multiply
    1,010.07x = 1,394.01 × 567.96
  4. Step 4: Simplify right side
    1,010.07x = 791,741.92
  5. Step 5: Solve for x
    x = 791,741.92/1,010.07
  6. Step 6: Final answer
    x = 783.85

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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.