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Finding the Fourth Proportional to 957.76, 1,437.07 and 568.53

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Solution

The fourth proportional to 957.76, 1,437.07 and 568.53 is: 853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.76 : 1,437.07 = 568.53 : x
  2. Step 2: Convert to fraction form
    957.76/1,437.07 = 568.53/x
  3. Step 3: Cross multiply
    957.76x = 1,437.07 × 568.53
  4. Step 4: Simplify right side
    957.76x = 817,010.22
  5. Step 5: Solve for x
    x = 817,010.22/957.76
  6. Step 6: Final answer
    x = 853.05

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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.