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Finding the Fourth Proportional to 934.72, 1,400.64 and 592

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Solution

The fourth proportional to 934.72, 1,400.64 and 592 is: 887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.72 : 1,400.64 = 592 : x
  2. Step 2: Convert to fraction form
    934.72/1,400.64 = 592/x
  3. Step 3: Cross multiply
    934.72x = 1,400.64 × 592
  4. Step 4: Simplify right side
    934.72x = 829,178.88
  5. Step 5: Solve for x
    x = 829,178.88/934.72
  6. Step 6: Final answer
    x = 887.09

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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.