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Finding the Fourth Proportional to 352,513.40, 529,115.70 and 175,220.60

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Solution

The fourth proportional to 352,513.40, 529,115.70 and 175,220.60 is: 263,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,513.40 : 529,115.70 = 175,220.60 : x
  2. Step 2: Convert to fraction form
    352,513.40/529,115.70 = 175,220.60/x
  3. Step 3: Cross multiply
    352,513.40x = 529,115.70 × 175,220.60
  4. Step 4: Simplify right side
    352,513.40x = 92,711,970,423.42
  5. Step 5: Solve for x
    x = 92,711,970,423.42/352,513.40
  6. Step 6: Final answer
    x = 263,002.68

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1.5x scale

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.