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Finding the Fourth Proportional to 1,066.48, 1,599.89 and 336.05

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Solution

The fourth proportional to 1,066.48, 1,599.89 and 336.05 is: 504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.48 : 1,599.89 = 336.05 : x
  2. Step 2: Convert to fraction form
    1,066.48/1,599.89 = 336.05/x
  3. Step 3: Cross multiply
    1,066.48x = 1,599.89 × 336.05
  4. Step 4: Simplify right side
    1,066.48x = 537,639.35
  5. Step 5: Solve for x
    x = 537,639.35/1,066.48
  6. Step 6: Final answer
    x = 504.12

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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.