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Finding the Fourth Proportional to 365,964.30, 548,946.45 and 343,802.70

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Solution

The fourth proportional to 365,964.30, 548,946.45 and 343,802.70 is: 515,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,964.30 : 548,946.45 = 343,802.70 : x
  2. Step 2: Convert to fraction form
    365,964.30/548,946.45 = 343,802.70/x
  3. Step 3: Cross multiply
    365,964.30x = 548,946.45 × 343,802.70
  4. Step 4: Simplify right side
    365,964.30x = 188,729,271,665.42
  5. Step 5: Solve for x
    x = 188,729,271,665.42/365,964.30
  6. Step 6: Final answer
    x = 515,704.05

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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.