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Finding the Fourth Proportional to 433,534.60, 651,857.10 and 365,105.80

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Solution

The fourth proportional to 433,534.60, 651,857.10 and 365,105.80 is: 548,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,534.60 : 651,857.10 = 365,105.80 : x
  2. Step 2: Convert to fraction form
    433,534.60/651,857.10 = 365,105.80/x
  3. Step 3: Cross multiply
    433,534.60x = 651,857.10 × 365,105.80
  4. Step 4: Simplify right side
    433,534.60x = 237,996,807,981.18
  5. Step 5: Solve for x
    x = 237,996,807,981.18/433,534.60
  6. Step 6: Final answer
    x = 548,968.43

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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.