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Finding the Fourth Proportional to 1,068.46, 1,602.52 and 375.07

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Solution

The fourth proportional to 1,068.46, 1,602.52 and 375.07 is: 562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.46 : 1,602.52 = 375.07 : x
  2. Step 2: Convert to fraction form
    1,068.46/1,602.52 = 375.07/x
  3. Step 3: Cross multiply
    1,068.46x = 1,602.52 × 375.07
  4. Step 4: Simplify right side
    1,068.46x = 601,057.18
  5. Step 5: Solve for x
    x = 601,057.18/1,068.46
  6. Step 6: Final answer
    x = 562.55

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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.