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Finding the Fourth Proportional to 353,494.08, 530,241.12 and 291,033.36

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Solution

The fourth proportional to 353,494.08, 530,241.12 and 291,033.36 is: 436,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,494.08 : 530,241.12 = 291,033.36 : x
  2. Step 2: Convert to fraction form
    353,494.08/530,241.12 = 291,033.36/x
  3. Step 3: Cross multiply
    353,494.08x = 530,241.12 × 291,033.36
  4. Step 4: Simplify right side
    353,494.08x = 154,317,854,763.76
  5. Step 5: Solve for x
    x = 154,317,854,763.76/353,494.08
  6. Step 6: Final answer
    x = 436,550.04

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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.