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Finding the Fourth Proportional to 1,001.94, 1,503.18 and 352.74

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Solution

The fourth proportional to 1,001.94, 1,503.18 and 352.74 is: 529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.94 : 1,503.18 = 352.74 : x
  2. Step 2: Convert to fraction form
    1,001.94/1,503.18 = 352.74/x
  3. Step 3: Cross multiply
    1,001.94x = 1,503.18 × 352.74
  4. Step 4: Simplify right side
    1,001.94x = 530,231.71
  5. Step 5: Solve for x
    x = 530,231.71/1,001.94
  6. Step 6: Final answer
    x = 529.21

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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.