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Finding the Fourth Proportional to 923.99, 1,385.10 and 594

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Solution

The fourth proportional to 923.99, 1,385.10 and 594 is: 890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.99 : 1,385.10 = 594 : x
  2. Step 2: Convert to fraction form
    923.99/1,385.10 = 594/x
  3. Step 3: Cross multiply
    923.99x = 1,385.10 × 594
  4. Step 4: Simplify right side
    923.99x = 822,749.40
  5. Step 5: Solve for x
    x = 822,749.40/923.99
  6. Step 6: Final answer
    x = 890.44

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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.