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Finding the Fourth Proportional to 941.47, 1,411.27 and 529.69

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Solution

The fourth proportional to 941.47, 1,411.27 and 529.69 is: 794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.47 : 1,411.27 = 529.69 : x
  2. Step 2: Convert to fraction form
    941.47/1,411.27 = 529.69/x
  3. Step 3: Cross multiply
    941.47x = 1,411.27 × 529.69
  4. Step 4: Simplify right side
    941.47x = 747,536.38
  5. Step 5: Solve for x
    x = 747,536.38/941.47
  6. Step 6: Final answer
    x = 794.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.