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Finding the Fourth Proportional to 353,536.85, 530,388.20 and 116,877.94

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Solution

The fourth proportional to 353,536.85, 530,388.20 and 116,877.94 is: 175,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,536.85 : 530,388.20 = 116,877.94 : x
  2. Step 2: Convert to fraction form
    353,536.85/530,388.20 = 116,877.94/x
  3. Step 3: Cross multiply
    353,536.85x = 530,388.20 × 116,877.94
  4. Step 4: Simplify right side
    353,536.85x = 61,990,679,182.53
  5. Step 5: Solve for x
    x = 61,990,679,182.53/353,536.85
  6. Step 6: Final answer
    x = 175,344.32

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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.