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Finding the Fourth Proportional to 1,068.89, 1,475.08 and 596.84

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Solution

The fourth proportional to 1,068.89, 1,475.08 and 596.84 is: 823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.89 : 1,475.08 = 596.84 : x
  2. Step 2: Convert to fraction form
    1,068.89/1,475.08 = 596.84/x
  3. Step 3: Cross multiply
    1,068.89x = 1,475.08 × 596.84
  4. Step 4: Simplify right side
    1,068.89x = 880,386.75
  5. Step 5: Solve for x
    x = 880,386.75/1,068.89
  6. Step 6: Final answer
    x = 823.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.