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Finding the Fourth Proportional to 907.58, 1,252.86 and 593.04

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Solution

The fourth proportional to 907.58, 1,252.86 and 593.04 is: 818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.58 : 1,252.86 = 593.04 : x
  2. Step 2: Convert to fraction form
    907.58/1,252.86 = 593.04/x
  3. Step 3: Cross multiply
    907.58x = 1,252.86 × 593.04
  4. Step 4: Simplify right side
    907.58x = 742,996.09
  5. Step 5: Solve for x
    x = 742,996.09/907.58
  6. Step 6: Final answer
    x = 818.66

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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.