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Finding the Fourth Proportional to 924.49, 1,385.85 and 594.50

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Solution

The fourth proportional to 924.49, 1,385.85 and 594.50 is: 891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.49 : 1,385.85 = 594.50 : x
  2. Step 2: Convert to fraction form
    924.49/1,385.85 = 594.50/x
  3. Step 3: Cross multiply
    924.49x = 1,385.85 × 594.50
  4. Step 4: Simplify right side
    924.49x = 823,887.83
  5. Step 5: Solve for x
    x = 823,887.83/924.49
  6. Step 6: Final answer
    x = 891.18

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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.