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Finding the Fourth Proportional to 1,068.35, 1,602.31 and 375.01

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Solution

The fourth proportional to 1,068.35, 1,602.31 and 375.01 is: 562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.35 : 1,602.31 = 375.01 : x
  2. Step 2: Convert to fraction form
    1,068.35/1,602.31 = 375.01/x
  3. Step 3: Cross multiply
    1,068.35x = 1,602.31 × 375.01
  4. Step 4: Simplify right side
    1,068.35x = 600,882.27
  5. Step 5: Solve for x
    x = 600,882.27/1,068.35
  6. Step 6: Final answer
    x = 562.44

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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.