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Finding the Fourth Proportional to 1,770.84, 2,656.68 and 584.94

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Solution

The fourth proportional to 1,770.84, 2,656.68 and 584.94 is: 877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.84 : 2,656.68 = 584.94 : x
  2. Step 2: Convert to fraction form
    1,770.84/2,656.68 = 584.94/x
  3. Step 3: Cross multiply
    1,770.84x = 2,656.68 × 584.94
  4. Step 4: Simplify right side
    1,770.84x = 1,553,998.40
  5. Step 5: Solve for x
    x = 1,553,998.40/1,770.84
  6. Step 6: Final answer
    x = 877.55

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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.