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Finding the Fourth Proportional to 353,493.84, 530,128.44 and 116,792.40

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Solution

The fourth proportional to 353,493.84, 530,128.44 and 116,792.40 is: 175,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,493.84 : 530,128.44 = 116,792.40 : x
  2. Step 2: Convert to fraction form
    353,493.84/530,128.44 = 116,792.40/x
  3. Step 3: Cross multiply
    353,493.84x = 530,128.44 × 116,792.40
  4. Step 4: Simplify right side
    353,493.84x = 61,914,972,815.86
  5. Step 5: Solve for x
    x = 61,914,972,815.86/353,493.84
  6. Step 6: Final answer
    x = 175,151.49

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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.