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Finding the Fourth Proportional to 1,065.25, 1,595.14 and 602.34

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Solution

The fourth proportional to 1,065.25, 1,595.14 and 602.34 is: 901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.25 : 1,595.14 = 602.34 : x
  2. Step 2: Convert to fraction form
    1,065.25/1,595.14 = 602.34/x
  3. Step 3: Cross multiply
    1,065.25x = 1,595.14 × 602.34
  4. Step 4: Simplify right side
    1,065.25x = 960,812.53
  5. Step 5: Solve for x
    x = 960,812.53/1,065.25
  6. Step 6: Final answer
    x = 901.96

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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.