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Finding the Fourth Proportional to 352,704.60, 529,056.90 and 240,730.20

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Solution

The fourth proportional to 352,704.60, 529,056.90 and 240,730.20 is: 361,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,704.60 : 529,056.90 = 240,730.20 : x
  2. Step 2: Convert to fraction form
    352,704.60/529,056.90 = 240,730.20/x
  3. Step 3: Cross multiply
    352,704.60x = 529,056.90 × 240,730.20
  4. Step 4: Simplify right side
    352,704.60x = 127,359,973,348.38
  5. Step 5: Solve for x
    x = 127,359,973,348.38/352,704.60
  6. Step 6: Final answer
    x = 361,095.30

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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.