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Finding the Fourth Proportional to 1,088.74, 1,633.06 and 358.22

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Solution

The fourth proportional to 1,088.74, 1,633.06 and 358.22 is: 537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.74 : 1,633.06 = 358.22 : x
  2. Step 2: Convert to fraction form
    1,088.74/1,633.06 = 358.22/x
  3. Step 3: Cross multiply
    1,088.74x = 1,633.06 × 358.22
  4. Step 4: Simplify right side
    1,088.74x = 584,994.75
  5. Step 5: Solve for x
    x = 584,994.75/1,088.74
  6. Step 6: Final answer
    x = 537.31

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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.