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Finding the Fourth Proportional to 352,068.80, 527,241.93 and 317,951.60

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Solution

The fourth proportional to 352,068.80, 527,241.93 and 317,951.60 is: 476,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,068.80 : 527,241.93 = 317,951.60 : x
  2. Step 2: Convert to fraction form
    352,068.80/527,241.93 = 317,951.60/x
  3. Step 3: Cross multiply
    352,068.80x = 527,241.93 × 317,951.60
  4. Step 4: Simplify right side
    352,068.80x = 167,637,415,230.59
  5. Step 5: Solve for x
    x = 167,637,415,230.59/352,068.80
  6. Step 6: Final answer
    x = 476,149.59

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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.